1 00:00:21,090 --> 00:00:25,350 بسم الله الرحمن الرحيم ال .. في ال previous 2 00:00:25,350 --> 00:00:30,310 meeting .. في ال previous meeting في اللقاءات 3 00:00:30,310 --> 00:00:36,330 الماضية كنا نحكي عن ال interest rates و ال 4 00:00:36,330 --> 00:00:41,910 effective rate of return و حكينا على الموضوع إن 5 00:00:41,910 --> 00:00:44,770 إذا كنا احنا بنحكي .. نحسب ال effective annual 6 00:00:44,770 --> 00:00:49,430 returnif it is less than one year اذا أقل من سنة 7 00:00:49,430 --> 00:00:52,390 we can use this calculation or this equation and 8 00:00:52,390 --> 00:00:55,130 if it is greater than one year so we can use this 9 00:00:55,130 --> 00:01:00,230 onethis is the idea of the interest rate of return 10 00:01:00,230 --> 00:01:04,650 so the most important thing is coming in the 11 00:01:04,650 --> 00:01:08,330 further stages الشغلات الأهم من هي هي جاية في 12 00:01:08,330 --> 00:01:12,050 الصفحات الجاية اللي هنعمل عليها تطبيق يعني هذا مش 13 00:01:12,050 --> 00:01:15,470 كتير انه احنا بس introduction لكم هنطبق في 14 00:01:15,470 --> 00:01:20,070 اللقاءات الجاية how we can use the interest rate 15 00:01:20,070 --> 00:01:22,190 of return كيف ممكن نستخدم ال interest rate of 16 00:01:22,190 --> 00:01:28,510 return if you look carefully at this tableنتطلع ال 17 00:01:28,510 --> 00:01:30,650 relationship between treasury bills and the 18 00:01:30,650 --> 00:01:33,630 inflation العلاقة بين ال treasury bills و بين ال 19 00:01:33,630 --> 00:01:39,530 inflation and this is a very important 20 00:01:39,530 --> 00:01:41,990 relationship between inflation and the treasury 21 00:01:41,990 --> 00:01:45,650 bills rate of return يعني كتير مهم أنحن نعرف 22 00:01:45,650 --> 00:01:52,120 العلاقة بين التدخمو بين العقد التدخم وبين العقد 23 00:01:52,120 --> 00:02:00,360 اللي هو ال interest rate و ال inflation طيب لو 24 00:02:00,360 --> 00:02:06,120 احنا طلعنا على ال treasury bills in 1926 it is 3 25 00:02:06,120 --> 00:02:13,260 .71 okay the real treasury bills is 0.70 the 26 00:02:13,260 --> 00:02:20,000 inflation is 3.10 just focus onعن هذا، لذلك، 27 00:02:20,000 --> 00:02:25,200 عمليات التحذير الواحدة من 10 هي 3.70 والتحذير 3 28 00:02:25,200 --> 00:02:37,020 .10، فماذا تفهمين من هذا؟ هذا يعني أنه عندما 29 00:02:37,020 --> 00:02:41,360 تزداد التحذير، انظر إلى التحذير عندما تزداد 30 00:02:41,360 --> 00:02:48,500 التحذير، تتقل عمليات التحذير الحقيقةand this is 31 00:02:48,500 --> 00:02:54,420 what we yes this is what we said in before three 32 00:02:54,420 --> 00:03:00,700 meetings حكينا ان ال R small r is equal R minus I 33 00:03:00,700 --> 00:03:09,800 ال I when I increase R decrease كل ما ال I بتزيد 34 00:03:09,800 --> 00:03:14,280 ال inflation بتزيد كل ما ال R small r decrease طيب 35 00:03:15,630 --> 00:03:20,110 look at treasury bills and inflation if you look 36 00:03:20,110 --> 00:03:26,190 at the chart اذا احنا طلعنا عن ال chart if you 37 00:03:26,190 --> 00:03:30,690 look at this chart this 38 00:03:30,690 --> 00:03:34,910 is .. هي is the treasury bills هذا هو ال treasury 39 00:03:34,910 --> 00:03:44,340 bills and this is R of treasury billsإذا قررنا أن 40 00:03:44,340 --> 00:03:52,440 هذا 3.7 في جميعهم، فهذا 3.71 في جميعهم، فهذا 3.71 41 00:03:52,440 --> 00:03:53,100 في جميعهم، فهذا 3.71 في جميعهم، فهذا 3.71 في 42 00:03:53,100 --> 00:03:53,320 جميعهم، فهذا 3.71 في جميعهم، فهذا 3.71 في جميعهم، 43 00:03:53,320 --> 00:03:55,680 جميعهم، فهذا 3.71 في جميعهم، فهذا 3.10 في جميعهم، 44 00:03:55,680 --> 00:04:00,480 فهذا 3.10 في جميعهم، فهذا 3.10 في جميعهم، فهذا 3 45 00:04:00,480 --> 00:04:06,780 .10 في جميعهم، فهذا 3.10 في جميعهم، 46 00:04:06,780 --> 00:04:06,820 فهذا 47 00:04:15,150 --> 00:04:23,350 .70 sorry okay approximately look 48 00:04:23,350 --> 00:04:28,510 at here if we look carefully at this خليني بس 49 00:04:28,510 --> 00:04:31,490 أعالكم zooming out أكبر الصورة عشان ت understand 50 00:04:31,490 --> 00:04:31,890 this 51 00:04:38,520 --> 00:04:41,180 this is a very very important if you don't 52 00:04:41,180 --> 00:04:44,300 understand this it means you will challenge 53 00:04:44,300 --> 00:04:49,500 problems in the in the next three four pages اذا 54 00:04:49,500 --> 00:04:52,260 مافهمتوش هذه العلاقة هتكون عندكم مشكلة في كمان 55 00:04:52,260 --> 00:04:58,000 اربع خمس صفحات شوفوا هيك you 56 00:04:58,000 --> 00:05:00,600 know this this is security market line هذا هو 57 00:05:00,600 --> 00:05:05,580 security market line and this is treasury bills as 58 00:05:05,580 --> 00:05:17,260 I said all of thisis R which is equal to 3.71 so 59 00:05:17,260 --> 00:05:21,520 the nominal R is the nominal the nominal of the 60 00:05:21,520 --> 00:05:26,080 treasury bills is 3.71 as in the table here 3.71 61 00:05:26,080 --> 00:05:36,240 the inflation rate is 3 is this area 3.10 62 00:05:38,530 --> 00:05:46,870 this is I so I is three point one so now according 63 00:05:46,870 --> 00:05:52,170 to this chart حسب ال chart هان this is the real 64 00:05:52,170 --> 00:05:58,270 rate of return R just apply this equation R small 65 00:05:58,270 --> 00:06:04,990 R is equal big R minus I so this is big R all of 66 00:06:04,990 --> 00:06:11,470 thisminus I so we get .. we end up with small r 67 00:06:11,470 --> 00:06:17,190 okay so if you increase I look at this if you 68 00:06:17,190 --> 00:06:22,830 increase I, R becomes smaller and smaller يعني كل 69 00:06:22,830 --> 00:06:25,930 ما احنا بنزود ال I، ال I بتصير smaller and smaller 70 00:06:27,300 --> 00:06:31,680 بتصير ال small r the real rate of return becomes 71 00:06:31,680 --> 00:06:35,900 smaller and smaller يعني بتبدأ تنخفض ال real rate 72 00:06:35,900 --> 00:06:39,400 of return what 73 00:06:39,400 --> 00:06:42,560 you observe then what we observe we observe many 74 00:06:42,560 --> 00:06:46,420 things ايش احنا بنلاحظ؟ بنلاحظ كتير أشياء ال first 75 00:06:46,420 --> 00:06:50,180 one we have a negative relationship between small 76 00:06:50,180 --> 00:06:56,300 r and Ias I become bigger and bigger, R becomes 77 00:06:56,300 --> 00:07:00,780 smaller and smaller يعني كل ما ال I بتكبر ال R 78 00:07:00,780 --> 00:07:04,600 بتبدأ تزال okay just from the chart point of view 79 00:07:04,600 --> 00:07:08,140 من وجهة نظر ال chart we know this from the 80 00:07:08,140 --> 00:07:12,300 equation point of view يعني احنا فاهمين الكلام هذا 81 00:07:12,300 --> 00:07:16,740 من وجهة نظر ال equation as the equation saying and 82 00:07:16,740 --> 00:07:17,260 this is 83 00:07:21,280 --> 00:07:24,880 this table is an accurate table and a real table 84 00:07:24,880 --> 00:07:28,820 from the united states هذا هو table صحيح من ال 85 00:07:28,820 --> 00:07:30,940 united states from nineteen twenty six to two 86 00:07:30,940 --> 00:07:33,480 thousand and nine يعني هذا من سنة الف وتسعمائة 87 00:07:33,480 --> 00:07:36,300 وتسعت وعشرين لسنة الف وتسعمائة لسنة الفين وتسعة 88 00:07:36,300 --> 00:07:42,140 هذا ال table صحيح okay so the the real treasury 89 00:07:42,140 --> 00:07:46,620 bills is point seventy so the the one observation 90 00:07:46,620 --> 00:07:52,950 is as as i explainedthe one observation is when I 91 00:07:52,950 --> 00:07:57,050 become bigger and bigger R become smaller and 92 00:07:57,050 --> 00:08:03,270 smaller يعني كل ما بتكبر ال I كل ما ال R real كل 93 00:08:03,270 --> 00:08:09,010 ما كانت decrease other factors are equal other 94 00:08:09,010 --> 00:08:12,310 factors and equal معسبات العوامل أخرى other 95 00:08:12,310 --> 00:08:18,720 factors are equal okay nowif you compare between 96 00:08:18,720 --> 00:08:25,080 the 1968 with 1968, 97 00:08:25,220 --> 00:08:33,420 2009 and 1926, 1967 اتصلح وانشوف احنا بال .. لو 98 00:08:33,420 --> 00:08:39,920 قررنا ال 1968 ل 2009 مع ال 1926 ل 1967 what you 99 00:08:39,920 --> 00:08:45,560 observe the treasury billsis greater than .. the 100 00:08:45,560 --> 00:08:50,020 real .. sorry .. the treasury bills is greater 101 00:08:50,020 --> 00:08:53,700 than the R nominal of treasury bills in the recent 102 00:08:53,700 --> 00:08:57,720 years is greater than in the .. in the early .. in 103 00:08:57,720 --> 00:09:06,500 the .. in the previous years نتطلع في ال .. في 104 00:09:06,500 --> 00:09:10,140 السابق كان عند ال .. في السابق كان عند ال .. ال 105 00:09:10,140 --> 00:09:13,200 real .. sorry ال nominal rate of return one point 106 00:09:13,200 --> 00:09:20,040 sixty sevenيعني من سنة ال 26 لل 67 كان عندى 1.67 107 00:09:20,040 --> 00:09:24,500 اللى هو ال nominal rate of return من سنة ال 68 ل 108 00:09:24,500 --> 00:09:30,660 2009 ال nominal rate of return زد you know why؟ في 109 00:09:30,660 --> 00:09:35,340 حد بعرف ليش؟ from the chart from the table look at 110 00:09:35,340 --> 00:09:40,980 the table how much the inflation increaseyou are 111 00:09:40,980 --> 00:09:44,700 right الinflation هو السبب يعني انتوا لاحظوا انه 112 00:09:44,700 --> 00:09:48,220 طلع انت just compare this with this انه كان five 113 00:09:48,220 --> 00:09:52,320 point seventy five sorry في السنوات الأخيرة بعد 114 00:09:52,320 --> 00:09:55,780 سبعة و تمانية و ستين ال nominal rate of return 115 00:09:55,780 --> 00:10:01,060 five point seventy five في السبتة و عشرين و سبعة و 116 00:10:01,060 --> 00:10:10,010 ستين قديما1.67 why؟ ليش .. سؤال .. سؤال مختصر ليش 117 00:10:10,010 --> 00:10:12,970 ال nominal rate of return زاد في الفترات الأخيرة 118 00:10:12,970 --> 00:10:17,410 فاطمة she said because of inflation look at this 119 00:10:17,410 --> 00:10:21,790 the inflation because of the .. اه ال inflation 120 00:10:21,790 --> 00:10:30,250 زاد فطبيعي بالظبط شايفين فعلاقة ترضية اذا هاي this 121 00:10:30,250 --> 00:10:36,650 is the first the secondthe second relation is as 122 00:10:36,650 --> 00:10:44,330 long as I increase as long as I increase sorry I 123 00:10:44,330 --> 00:10:45,030 increase 124 00:10:47,880 --> 00:10:52,200 when I is become grow .. become bigger and bigger 125 00:10:52,200 --> 00:10:56,400 the big R become bigger and bigger so this is 126 00:10:56,400 --> 00:10:59,160 positive relation between between the nominal rate 127 00:10:59,160 --> 00:11:02,600 of return and I look at here this is the second لو 128 00:11:02,600 --> 00:11:05,020 احنا طلعنا على الشغل التاني from the table look at 129 00:11:05,020 --> 00:11:09,220 the table لاحظنا ال inflation صغيرة شايفين شو ال 130 00:11:09,220 --> 00:11:12,420 nominal rate of return صغير صار لاحظنا ال 131 00:11:12,420 --> 00:11:15,920 inflation زادت ال nominal rate of return شو صار 132 00:11:15,920 --> 00:11:17,120 فيه decrease 133 00:11:20,660 --> 00:11:24,800 Okay يعني هاي .. هاي سبب .. يعني هاي ملاحظة تانية 134 00:11:24,800 --> 00:11:27,460 .. the second observation هاي observation تانية 135 00:11:27,460 --> 00:11:36,040 احنا بنلاحظها لو بدنا .. okay ال real لما بيقل شو 136 00:11:36,040 --> 00:11:44,500 سبب انه بيقل؟ مناشر ال real 137 00:11:44,500 --> 00:11:50,430 .. ال real بيقل okay هاي ال realبدي أقل متى بيقل 138 00:11:50,430 --> 00:11:56,270 ال real بيقل عشان ال inflation بتزيد يعني 139 00:11:56,270 --> 00:11:59,550 ال real هان is a function of خد بالك ال real is 140 00:11:59,550 --> 00:12:05,350 independent مستقل عفوا عامل تابع لل is dependent 141 00:12:05,350 --> 00:12:08,870 عامل تابع لل .. إذا ال inflation هو اللي بيعمل كل 142 00:12:08,870 --> 00:12:16,510 المشكلة ال I هي عاملة كل المشكلة ليش؟ 143 00:12:23,060 --> 00:12:29,720 المفروض يكون اقل يطلع ايش ال .. ال real هذا اه بس 144 00:12:29,720 --> 00:12:32,780 خد بالك ان ال treasure bills زادت و ال inflation 145 00:12:32,780 --> 00:12:36,660 زادت فالفرق بين اتهم خلى ال real يزيد كمان طبعا 146 00:12:36,660 --> 00:12:42,620 الفرق يعني الفرق هذا نقص هذا بيخلى يزيد طيب هذا 147 00:12:42,620 --> 00:12:47,460 لأنه التنين نازلين فبيخلى الفرق نازلهذا ال spread 148 00:12:47,460 --> 00:12:51,340 بيسموه طيب 149 00:12:51,340 --> 00:12:55,600 فى 150 00:12:55,600 --> 00:13:01,800 حد عنده ملاحظات تانية طيب نتطلع على ال .. ستة و 151 00:13:01,800 --> 00:13:09,160 عشرين اربعة و ستة عشر اتطلعوا 152 00:13:09,160 --> 00:13:15,240 على ال charts اكتر inflation ال risk اتطلعوا نتطلع 153 00:13:15,240 --> 00:13:18,930 على ال riskهذا هو ال .. until هو average annual 154 00:13:18,930 --> 00:13:22,310 return هذا الجانب هو return و هذا الجانب اسمه risk 155 00:13:22,310 --> 00:13:24,770 لان هاي standard deviation of annual return 156 00:13:24,770 --> 00:13:30,610 standard deviation of annual return نتطلع احنا على 157 00:13:30,610 --> 00:13:37,710 ال risk بتاع ال inflation تدخم وين 158 00:13:37,710 --> 00:13:44,190 كان اكتر فيه اكتر تدخم موجود من 26 ل 67 ليش طيب 159 00:13:44,190 --> 00:13:50,940 تعرفوا حداشر why thisليش كان ال risk من سنة ال 26 160 00:13:50,940 --> 00:13:55,080 ل 67 أعلى risk؟ 161 00:13:55,080 --> 00:14:04,760 في أهم من الحروب كانت في سنة 1929 شو كان لنا؟ big 162 00:14:04,760 --> 00:14:07,400 recession because of the big recession the big 163 00:14:07,400 --> 00:14:11,260 recession this is why the inflation rate is 164 00:14:11,260 --> 00:14:14,580 greater than any other stages 165 00:14:15,630 --> 00:14:20,010 because of the big recession الكساد الكبير في فترة 166 00:14:20,010 --> 00:14:28,230 الكساد الكبير ودخلت اوروبا بحرب ضد الحلفة وطلعت 167 00:14:28,230 --> 00:14:31,490 الحرب العالمية التانية فصار الكل يعمل يعمل سك عملة 168 00:14:31,490 --> 00:14:37,370 بدون ما يكون مدعوم العملة من ال .. بالدهب وبالتالي 169 00:14:37,370 --> 00:14:41,390 كان ال .. صار في inflation عالي كتير تضخم عالي 170 00:14:41,390 --> 00:14:45,150 خلصنا أول ملاحظة تاني ملاحظة 171 00:14:49,600 --> 00:14:55,460 الملاحظة التالتة اللى هنخرج فيها خلصنا أول ملاحظة 172 00:14:55,460 --> 00:15:01,400 ناخد الملاحظة التالتة the third one the third one 173 00:15:01,400 --> 00:15:05,120 if you look at this moderate inflation can offset 174 00:15:05,120 --> 00:15:08,840 most of the nominal gains on low risk investments 175 00:15:08,840 --> 00:15:16,170 ملاحظة تالتة انتبهوا للمكتوبها بال slidemoderate 176 00:15:16,170 --> 00:15:19,850 inflation can offset most of the nominal gains on 177 00:15:19,850 --> 00:15:25,490 low risk investments المشكلة وين؟ المشكلة أن ال 178 00:15:25,490 --> 00:15:31,550 lower risk instruments hold the majority of the 179 00:15:31,550 --> 00:15:38,330 systematic risk in other words بكلمات أخرى the 180 00:15:38,330 --> 00:15:40,590 lower risk investments 181 00:15:42,110 --> 00:15:49,450 is subject to the impact of the systematic risk or 182 00:15:49,450 --> 00:15:51,770 is a subject of the impact of the inflation rate 183 00:15:51,770 --> 00:15:59,390 than any other securities يعني الأدوات 184 00:15:59,390 --> 00:16:05,170 المالية قليلة المخاطر بتأثر بأكتر من أي أداء 185 00:16:05,170 --> 00:16:09,700 استثمارية أخرى بالتدخم خلينا نشوف المثال هذاشوفوا 186 00:16:09,700 --> 00:16:12,560 ال treasury bills انقرن ال treasury bills مع ال 187 00:16:12,560 --> 00:16:15,840 commercial paper احنا we sell commercial paper is 188 00:16:15,840 --> 00:16:21,620 one of the money market securities my question is 189 00:16:21,620 --> 00:16:25,680 which is hold higher risk او lower risk؟ مين بيحمل 190 00:16:25,680 --> 00:16:28,200 lower risk? treasury bills or commercial paper؟ 191 00:16:28,200 --> 00:16:32,920 commercial paperإرادة my question like this yes 192 00:16:32,920 --> 00:16:36,560 treasury bills who's holding lower risk treasury 193 00:16:36,560 --> 00:16:41,140 bills okay so treasury bills holding lower risk 194 00:16:41,140 --> 00:16:53,080 fine yes okay يعني أقل مخاطر أقل مخاطر ال treasury 195 00:16:53,080 --> 00:17:03,520 bills بتحمل أقل مخاطرطبعا طبعا طبعا طبعا 196 00:17:03,520 --> 00:17:09,360 طبعا طبعا طبعا طبعا طبعا طبعا طبعا طبعا طبعا طبعا 197 00:17:09,360 --> 00:17:13,000 طبعا طبعا طبعا طبعا طبعا 198 00:17:13,000 --> 00:17:18,180 طبعا طبعا طبعا طبعا طبعا طبعا طبعا 199 00:17:24,630 --> 00:17:27,670 the majority of the systematic risk انتبهوا لكلام 200 00:17:27,670 --> 00:17:30,970 اللي انا بحكي فيه the majority of systematic risk 201 00:17:30,970 --> 00:17:36,770 is inflation ايش يعني حكيته؟ the majority of 202 00:17:36,770 --> 00:17:44,070 systematic risk is inflation غالبية risk ايش ال 203 00:17:44,070 --> 00:17:48,690 systematic risk؟ مخاطر النظام هي تدخم يعني غالبية 204 00:17:48,690 --> 00:17:52,590 المخاطر النظامية هي تدخم يعني لو احنا لاحظنا هنا 205 00:17:53,380 --> 00:17:57,900 لأن هذا هو التضخم ال I مظبوط هذا كل هذا ال system 206 00:17:57,900 --> 00:18:01,660 of interest كله هذا هذا الجزء الكبير منه تقريبا 207 00:18:01,660 --> 00:18:08,340 جداش يعني ممكن اطلع مثلا ال لو قلنا 3.1 divided by 208 00:18:08,340 --> 00:18:14,420 3.70 جداش تطلع معاكم او 71 المخاطر النظامية كلها 3 209 00:18:14,420 --> 00:18:20,340 .71 كلها و 3.1 اللي هي ال inflation لوحدهاالغالبية 210 00:18:20,340 --> 00:18:28,220 المخاطر النظامية هي inflation تقريبا فوق 8% تقريبا 211 00:18:28,220 --> 00:18:36,200 38% طيب نطلع على ال commercial paper نطلع على ال 212 00:18:36,200 --> 00:18:41,600 commercial paper ال commercial paper لنفترض ال 213 00:18:41,600 --> 00:18:44,360 return hand 5% 214 00:18:47,640 --> 00:18:51,500 ال systematic risk او نحكي ال inflation زي ما 215 00:18:51,500 --> 00:18:53,560 بتكون ال systematic risk و ال inflation واحد ال 216 00:18:53,560 --> 00:18:58,980 inflation هي 3.1 بدنا نشوف to what extent the 217 00:18:58,980 --> 00:19:01,780 inflation influence on the commercial paper لأي 218 00:19:01,780 --> 00:19:05,200 درجة بتأثر ال systematic .. ال inflation بيأثر على 219 00:19:05,200 --> 00:19:12,100 ال commercial paper بنقول 3.1 divided by 5 اللي هو 220 00:19:12,100 --> 00:19:16,600 ال 5 5 percent جداش تطلع في النسبة المقوية؟ 221 00:19:25,000 --> 00:19:30,720 كم؟ 62% خلّينا نقارن بين هذه وبين هذه هذه ال 222 00:19:30,720 --> 00:19:35,500 treasury bills وهذه ال commercial paper تلاتة و 223 00:19:35,500 --> 00:19:37,960 تمانية في المية معناه ان ال inflation أثرت على ال 224 00:19:37,960 --> 00:19:40,740 treasury bills بتلاتة و تمانية في المية which is 225 00:19:40,740 --> 00:19:44,520 higher أكتر طب نشوف ال commercial paper أداش أثرت 226 00:19:44,520 --> 00:19:48,560 عليها أقل اذا هاي commercial paper وهذه ال 227 00:19:48,560 --> 00:19:52,940 treasury bills انجرب ال stocks انجرب ايش ال stocks 228 00:19:53,770 --> 00:19:59,610 الـ stocks مثلا نفترض أنها 9% عقل 9% نشوف .. نشوف 229 00:19:59,610 --> 00:20:03,810 ال inflation rate هداش بتأثر بال stocks نفس .. نفس 230 00:20:03,810 --> 00:20:11,770 الفكرة 3.1 divided by 9% عشان نشوف هداش بتأثر 231 00:20:11,770 --> 00:20:20,990 عليها 34% 34% نقارن التلات نتائج ببعض look at this 232 00:20:20,990 --> 00:20:34,060 83%والذي هو أعلى، الورق التجاربي مصطلح، الأسعار هي 233 00:20:34,060 --> 00:20:40,460 فرصة الاستثمار أو فرصة استثمار على 234 00:20:42,990 --> 00:20:47,010 on the rate of return is less than the impact of 235 00:20:47,010 --> 00:20:50,330 treasury bills of the inflation on the treasury 236 00:20:50,330 --> 00:20:56,490 bills يعني أثر التضخم على الأسهم أقل من أثر التضخم 237 00:20:56,490 --> 00:20:59,890 على ال treasury bills هذه الملاحظة التالتة اللي هي 238 00:20:59,890 --> 00:21:08,770 هان لو كتبناكوا إياها the influence of 239 00:21:08,770 --> 00:21:10,390 inflation 240 00:21:13,400 --> 00:21:16,180 أو بنجوسانيه systematic risk because inflation is 241 00:21:16,180 --> 00:21:23,780 systematic risk on 242 00:21:23,780 --> 00:21:29,460 the influence of inflation or systematic risk on 243 00:21:29,460 --> 00:21:36,580 the treasury bills is 244 00:21:36,580 --> 00:21:45,710 higher than any other securitiesany other 245 00:21:45,710 --> 00:21:50,630 securities زي ما إنتوا إحنا شايفين يعني أثر ال 246 00:21:50,630 --> 00:21:55,450 inflation على ال treasury bills أكثر من أثر ال 247 00:21:55,450 --> 00:22:00,310 inflation على أي security أخرى خليني أجرب ال 248 00:22:00,310 --> 00:22:06,470 derivatives مشتقات العقل 249 00:22:06,470 --> 00:22:10,910 بتاع المشتقات نفترض مثلا 70% 250 00:22:14,020 --> 00:22:18,040 نقسم هان three point one اللي هى ال inflation 251 00:22:18,040 --> 00:22:25,140 divided by seventy كدهش بتطلع؟ 252 00:22:25,140 --> 00:22:33,080 three point one divided by seventy three 253 00:22:33,080 --> 00:22:36,060 point one divided by seventy اربعمية و اربعمية 254 00:22:36,060 --> 00:22:42,380 ماقول اربعمية يعني اربعمية او اربعميةلأ three 255 00:22:42,380 --> 00:22:45,280 point one divided بس تلاتة فاصلة سبعة بتطلع zero 256 00:22:45,280 --> 00:22:50,600 zero something أكام 257 00:22:50,600 --> 00:22:55,180 zero عد؟ zero واحد أربعة و أربعين يعني بتأثر عليها 258 00:22:55,180 --> 00:22:59,860 ب أربعة point أربعة percent أربعة فاصلة أربعة في 259 00:22:59,860 --> 00:23:04,200 المية يعني بتأثر ال inflation على ال derivatives 260 00:23:04,200 --> 00:23:08,140 بس ب أربعة فاصلة أربعة في المية so we conclude 261 00:23:08,140 --> 00:23:12,330 thatthe treasury bills is more subject to 262 00:23:12,330 --> 00:23:16,150 inflation than any other securities يعني أنا بحاول 263 00:23:16,150 --> 00:23:21,130 بعطيكوا إياها بعدد لهجات و بعدد context بحيث أنه 264 00:23:21,130 --> 00:23:27,690 you digest this يعني بحاول كذا طريقة أنه تصلكم 265 00:23:27,690 --> 00:23:31,110 المعلومة okay 266 00:23:35,690 --> 00:23:40,430 فإذا ال inflation rates بيأثر كتير على .. عنو 267 00:23:40,430 --> 00:23:44,150 أكتر؟ ال lower securities ولا ال higher .. ال 268 00:23:44,150 --> 00:23:46,670 lower risk securities ولا ال higher risk .. lower 269 00:23:46,670 --> 00:23:51,950 .. lower risk لأن زي ما إحنا شايفين .. طب نشوف 270 00:23:51,950 --> 00:23:56,850 ليش؟ why؟ إيش السبب؟ إحنا حكينا إن ال fee بيصير 271 00:23:56,850 --> 00:24:01,310 هيك but why؟ why .. why the .. the lower 272 00:24:01,310 --> 00:24:04,770 securitieswhile the lower .. the higher securities 273 00:24:04,770 --> 00:24:10,830 or the higher risk securities fight 274 00:24:10,830 --> 00:24:15,450 against inflation يعني تواجه الinflation because 275 00:24:15,450 --> 00:24:20,650 investors .. أساس ال inflation مفرق واعرز okay طيب 276 00:24:20,650 --> 00:24:24,450 الشغل اللي بتأثر كده هو ال .. ال .. ال .. ال .. ال 277 00:24:24,450 --> 00:24:24,550 .. ال .. ال .. ال .. ال .. ال .. ال .. ال .. ال .. 278 00:24:24,550 --> 00:24:24,930 ال .. ال .. ال .. ال .. ال .. ال .. ال .. ال .. ال 279 00:24:24,930 --> 00:24:27,130 .. ال .. ال .. ال .. ال .. ال .. ال .. ال .. ال .. 280 00:24:28,880 --> 00:24:32,820 يعني ان الinflation هو أسس المعنى المعدد هو system 281 00:24:32,820 --> 00:24:39,560 of risk هو مخاطر نظامية عشان 282 00:24:39,560 --> 00:24:44,500 هيك ال lower risk يتأثر فيها أكتر لسبب واضح ان ال 283 00:24:44,500 --> 00:24:47,680 securities ال lower risk securities they don't 284 00:24:47,680 --> 00:24:53,120 have a premium ماعندهم مش علامة عندهم مش ال ال ال 285 00:24:53,120 --> 00:24:59,820 the R is small اه the real R is smallReal R إيش هي 286 00:24:59,820 --> 00:25:05,980 ال real R؟ لو إجينا إحنا طلعوها أخدنا ال real R مش 287 00:25:05,980 --> 00:25:13,400 هادي R ال real R هادي R بس لاحظولي على ال real R 288 00:25:13,400 --> 00:25:19,820 سابتة لأ كيف يا بابا سابتة عادة ايوة ال real R 289 00:25:19,820 --> 00:25:24,580 شوفي هذا هذا ال real R بعملك عليه هيك هو real R 290 00:25:27,100 --> 00:25:30,200 اللي بعمل عليه cross هو real R ايش بتلاحظوا انتوا 291 00:25:30,200 --> 00:25:37,180 بال real R؟ كل ما بيجيب بتزيد ايوة شوفوا ال real R 292 00:25:37,180 --> 00:25:40,840 هان، قارنوا ال real R هان small r مش احنا قولنا ال 293 00:25:40,840 --> 00:25:46,300 real R هي ال R .. هذه ال R كلها nominal minus ال I 294 00:25:46,300 --> 00:25:52,480 فإيش بتلاحظوا ال R؟ شو بيصير فيها؟ ال increase 295 00:25:52,480 --> 00:25:52,860 because 296 00:25:56,850 --> 00:26:02,030 the real R has a positive function with the risk 297 00:26:02,030 --> 00:26:11,270 هذا حطوها في بالكم R the small R هتطلعوا على ال 298 00:26:11,270 --> 00:26:15,190 charts look at this chart look at this R شوفوا ال 299 00:26:15,190 --> 00:26:19,070 R هذه شايفينها which is bigger this one or this 300 00:26:19,070 --> 00:26:27,560 onethis one اذا حكينا هذه R نود هذي R1 R2 R3 R4 301 00:26:27,560 --> 00:26:36,120 طلعوا على R1 ال R1 ايه؟ حكينا فيها ال real of 302 00:26:36,120 --> 00:26:39,940 commercial paper ال real for the bonds ال real for 303 00:26:39,940 --> 00:26:43,520 the stocks ال real for the derivatives طلعوا ال 304 00:26:43,520 --> 00:26:46,380 real بتاعة ال commercial paper is greater than the 305 00:26:46,380 --> 00:26:52,050 real of the treasury bills why؟because the higher 306 00:26:52,050 --> 00:26:57,610 the risk the higher are كل ما بتزيد ال risk كل ما 307 00:26:57,610 --> 00:27:02,450 ال R بتزيد طيب look at here again the higher the 308 00:27:02,450 --> 00:27:06,050 risk ال risk مشي زاد so the higher the R 309 00:27:09,260 --> 00:27:15,400 bigger and bigger as the risk become bigger and 310 00:27:15,400 --> 00:27:19,920 bigger as a result of risk طيب خلينا إذا .. إذا 311 00:27:19,920 --> 00:27:27,100 تلاتة ناخد أربعة .. أربعة saying as sigma .. sigma 312 00:27:27,100 --> 00:27:33,960 is a measure of risk as sigma increase as 313 00:27:33,960 --> 00:27:37,140 sigma increases R increases 314 00:27:40,380 --> 00:27:46,620 Okay, so this is the relation زي number four 315 00:27:46,620 --> 00:27:51,740 مراحظة رقم أربعة زي ما sigma بتزيد طبعا ايه sigma؟ 316 00:27:51,740 --> 00:27:57,700 sigma مخاطر هى هى دى sigma اه بيسموها risk امشوا 317 00:27:57,700 --> 00:28:01,000 هيك يمين بتلاقيه ال R بتزيد because of systematic 318 00:28:01,000 --> 00:28:05,800 because of the total risk increase لإن ال total 319 00:28:05,800 --> 00:28:10,600 risk قاعد بزيدو كل ما زاد ال S كل ما زادت ال R ال 320 00:28:10,600 --> 00:28:16,660 R صغيرة الملاحظة الرابعة as sigma increases ايش 321 00:28:16,660 --> 00:28:19,840 sigma عارفين شو sigma ال standard deviation بتاعة 322 00:28:19,840 --> 00:28:24,160 التو اللي حكينا فيها ليه هذه standard deviation 323 00:28:24,160 --> 00:28:29,340 اللي هو standard deviation okay as sigma increases 324 00:28:29,340 --> 00:28:36,810 كل ما sigma زادت كل ما R increasesكل ما R .. ال 325 00:28:36,810 --> 00:28:42,410 real rate of return كل ما كان زائد زي ما انتوا 326 00:28:42,410 --> 00:28:46,010 شايفين بال chart هو على حال ال chart يعني لو انا 327 00:28:46,010 --> 00:28:51,010 هيك طلعت .. طلعت .. اه 328 00:28:51,010 --> 00:28:56,450 .. كيف؟ ال R ال real دايما بتكون تربيه معاها اللي 329 00:28:56,450 --> 00:29:00,130 هي .. معاها بال .. معاها بال .. بال total risk 330 00:29:00,130 --> 00:29:04,330 خدوا بالك بال total risk okay طيب خلصنا الملاحظات 331 00:29:04,330 --> 00:29:04,570 هذه 332 00:29:15,920 --> 00:29:19,180 Okay وهي هم a dollar invested in treasury bills 333 00:29:19,180 --> 00:29:21,440 from nineteen twenty six two thousand grow to 334 00:29:21,440 --> 00:29:26,300 twenty dollar but with a real value only شوفوا رغم 335 00:29:26,300 --> 00:29:30,160 انه لو احنا استثمرنا دولار واحد شوفوا لو احنا 336 00:29:30,160 --> 00:29:35,220 استثمرنا دولار واحد في سنة الستة وعشرين لسنة الفين 337 00:29:35,220 --> 00:29:39,170 وتسعة هنستفيد عشرين دولارلكن استفادتنا الحقيقية 338 00:29:39,170 --> 00:29:44,890 كم؟ 1.69$ نرجع ال table لو احنا استثمرنا دولار 339 00:29:44,890 --> 00:29:48,410 واحد في ال treasury bills بسنة ستة وعشرين الفين 340 00:29:48,410 --> 00:29:53,670 وتسعة استفادتنا الحقيقية just point seventy طلع 341 00:29:53,670 --> 00:29:58,090 لأن في عندى inflation عالي كتير لو احنا استثمرنا 342 00:29:58,090 --> 00:30:01,550 من التمانية وستين للألفين وتسعة دولار واحد تمانية 343 00:30:01,550 --> 00:30:05,090 وستين استفادتنا بس one point seventeenالحففية ال 344 00:30:05,090 --> 00:30:10,130 real لو احنا استثمرنا من ال 26 لل 67 يعني استثمرنا 345 00:30:10,130 --> 00:30:15,250 يعني تلاتين سنة تقريبا لو استثمرنا دول لو احنا لسا 346 00:30:15,250 --> 00:30:17,290 في just point twenty four percent 347 00:30:20,200 --> 00:30:23,960 Okay بأكد الكلام لو احنا استثمرنا دولار واحد بال 348 00:30:23,960 --> 00:30:26,160 treasury bills من ستة و عشرين ل الفين و دسعة 349 00:30:26,160 --> 00:30:29,560 هنستفيد عشرين دولار بقى ال reality احنا مستفدناش 350 00:30:29,560 --> 00:30:32,780 لعشرين دولار استفدنا just طب ليش الفرق قد صار 351 00:30:32,780 --> 00:30:37,480 because of what because of inflation لأنه ال 352 00:30:37,480 --> 00:30:40,560 inflation هو عمل الكلام هذا طبعا بنات بتعرفوش 353 00:30:40,560 --> 00:30:46,140 معناه inflation تدخم okay okay طيب 354 00:30:49,580 --> 00:30:59,840 طب كيف أنا بدي أعرف العلاقة بين الinflation و 355 00:30:59,840 --> 00:31:04,800 بين ال R بقيس أنا ال correlation سمعتوا في شغل 356 00:31:04,800 --> 00:31:09,320 اسمها ال correlation الارتباط بقيس الارتباط في 357 00:31:09,320 --> 00:31:11,720 فترة من الفترات كان الارتباط إيجابي بين 358 00:31:11,720 --> 00:31:14,980 الinflation و between real rate of return وفترات 359 00:31:14,980 --> 00:31:20,340 أخرى صار سلبي خلّيني نشوفnegative correlation 360 00:31:20,340 --> 00:31:24,460 between real rates and inflation rates means that 361 00:31:24,460 --> 00:31:27,940 nominal rate responds less than 1.1 to changes in 362 00:31:27,940 --> 00:31:31,740 the expected inflation هذه هنشرحها، طلعواها، 363 00:31:31,740 --> 00:31:34,360 طلعواها على ال chart، بدنا نحكي عن ال correlation 364 00:31:34,360 --> 00:31:40,580 ال correlation اللي هو الارتباط الارتباط بين ال 365 00:31:40,580 --> 00:31:45,100 real rate of return و الinflation و التضخم هو 366 00:31:45,100 --> 00:31:50,310 ارتباط سلبي، negativeارتباط سلبي negative okay 367 00:31:50,310 --> 00:31:56,490 لأنهم بيمشوا عكس بعض ننتبه هان نرجع كيف سلبي كل ما 368 00:31:56,490 --> 00:32:02,610 زودنا ال inflation ال I كل ما ال R بتنزل فهذا ايش 369 00:32:02,610 --> 00:32:06,590 يسموه correlation معله negative okay negative كيف 370 00:32:06,590 --> 00:32:09,230 نقيسه بال Excel طبعا مش مطلوب منكوا تقيسوه بال 371 00:32:09,230 --> 00:32:13,530 Excel بس كيف نقيسه نجيب ال I و نجيب ال R real rate 372 00:32:13,530 --> 00:32:18,130 of return و بنعمل يسوي correlationالارتباط بيطلع 373 00:32:18,130 --> 00:32:21,090 عندنا الارتباط وبعدين بيطلع عندنا الرسمة هذه لو 374 00:32:21,090 --> 00:32:27,750 حبنا احنا نرسمها اتطلعوا ال correlation spend one 375 00:32:27,750 --> 00:32:32,950 minute to look at this chart يعني فاكروا ده فيخة 376 00:32:32,950 --> 00:32:37,290 واحدة عشان تفكروا بهال chart and what you observe 377 00:32:37,290 --> 00:32:46,610 on this chart okay يالا بدنا نشوف answer منكميلا 378 00:32:46,610 --> 00:32:54,510 answer me in nineteen twenty six we have .. we 379 00:32:54,510 --> 00:32:57,890 haven't inflation we .. we haven't inflation؟ yes 380 00:32:57,890 --> 00:33:02,650 we have inflation or we .. يعني لك ساعات okay من 381 00:33:02,650 --> 00:33:05,670 ستة و عشرين لستة و تلاتين خلي بالك اول اشي ان ال 382 00:33:05,670 --> 00:33:09,370 treasury treasury bill rates اللي هو ال black one 383 00:33:09,370 --> 00:33:13,250 و ال inflation هو ال blue one okay تمام ايش كان .. 384 00:33:13,250 --> 00:33:15,570 شو بطلع اصلا؟ كانت ستة و عشرين لستة و تلاتين 385 00:33:15,800 --> 00:33:20,260 inflation okay تضخم اه و بعدين .. فى نفس اللحظة 386 00:33:20,260 --> 00:33:23,240 إيش كان فى ال treasury bills طبعا كانت معدلاتها 387 00:33:23,240 --> 00:33:26,840 تنزل شو اللي بنزل ال inflation ال treasury bills 388 00:33:26,840 --> 00:33:30,820 كانت بالأول عالية و بعدين نزلت سنة مع المعدل سبعت 389 00:33:30,820 --> 00:33:34,500 طيب و بعدين بدأت تطلع ال treasury bills و ال 390 00:33:34,500 --> 00:33:38,820 inflation بدأت تطلع okay خليني .. okay كلامك فيه 391 00:33:38,820 --> 00:33:44,240 منه صح نرادها هو عمال كانت بياكل الشراباتأه في هنا 392 00:33:44,240 --> 00:33:48,940 negative correlation طلع و هان look at this لو 393 00:33:48,940 --> 00:33:54,620 احنا كنا في النقطة هذه بس just observe on this لو 394 00:33:54,620 --> 00:33:58,040 احنا أخدنا النقطة هذه هيك نقطة ملاحظ انه ال 395 00:33:58,040 --> 00:34:02,640 treasury bills increase لكن الinflation decrease 396 00:34:02,640 --> 00:34:08,720 فال correlation ايش كان negative through the time 397 00:34:08,720 --> 00:34:12,060 مع الزمن ال correlation شو بيصير فيه بيصير 398 00:34:12,060 --> 00:34:17,170 positiveلحظة يعني ال treasury bills ال inflation 399 00:34:17,170 --> 00:34:24,190 نزل ال treasury bills نزلت معاها okay so دي اذا 400 00:34:24,190 --> 00:34:29,550 احنا بنحكي باللحظة متى اتغيرت التوجه؟ قبل ال 68 401 00:34:29,550 --> 00:34:34,130 شوفوا بال .. قبل ال 68 او قبل ال 66 كان في 402 00:34:34,130 --> 00:34:38,590 negative correlation و بعدين صار positive يعني 403 00:34:38,590 --> 00:34:42,050 صارت ال inflation تمشي بالزق .. يعني يبدو كان اول 404 00:34:42,050 --> 00:34:46,030 زمان انه ال .. ال financial الواقع ال .. مافيش 405 00:34:46,030 --> 00:34:51,270 نظام مالي يعني ال inflation مش هي ال .. ال .. the 406 00:34:51,270 --> 00:34:57,290 main .. the main systematic riskبعد هيك صارت ان ال 407 00:34:57,290 --> 00:35:00,550 treasury bills طلعوا .. طلعوا النقطة هذه في ال 76 408 00:35:00,550 --> 00:35:08,190 ال .. ال inflation زادت و ال treasury bills زادت 409 00:35:08,190 --> 00:35:11,730 ال treasury bills زادت و ال inflation زادت راحوا 410 00:35:11,730 --> 00:35:16,150 نزلوا مع بعض زي ما انتوا شايفين نزلوا مع بعض طلعوا 411 00:35:16,150 --> 00:35:20,830 مع بعضنزلوا مع بعض طلعوا مع بعض لكن لو احنا طلعنا 412 00:35:20,830 --> 00:35:26,490 back to before 1968 لو احنا طلعنا شوفوا ال 413 00:35:26,490 --> 00:35:31,530 inflation زادت هذه انخفضت او ثابتة هان مثلا شوفوا 414 00:35:31,530 --> 00:35:35,390 النقطة هذه زادت هذه انخفضت ف this is important 415 00:35:35,390 --> 00:35:39,050 make 416 00:35:39,050 --> 00:35:42,050 .. make the correlation positive بيخلي ال .. ال 417 00:35:42,050 --> 00:35:42,970 correlation positive 418 00:35:45,540 --> 00:35:48,240 الأدوات المالية بالظبط كانت ال inflation مش هي 419 00:35:48,240 --> 00:35:54,080 العامل الرئيسي لكن صارت ال .. طيب اذا هذا اللي 420 00:35:54,080 --> 00:35:59,920 احنا بدي احكي فيه اليوم و في حد عندى سؤال؟