Although the central concept of marginalism is that of marginal utility, marginalists, following the lead of Alfred Marshall, drew upon the idea of marginal physical productivity in explanation of cost.
The Dietary Guidelines for Americans recommends that carbohydrates make up 45 to 65 percent of your total daily calories. So, if you get 2,000 calories a day, between 900 and 1,300 calories should be from carbohydrates.That translates to between 225 and 325 grams of carbohydrates a day.You can find the carbohydrate content of packaged foods on the Nutrition Facts label.o, if you get 2,000 calories a day, between 900 and 1,300 calories should be from carbohydrates. That translates to between 225 and 325 grams of carbohydrates a day. You can find the carbohydrate content of packaged foods on the Nutrition Facts label.
The University of Maryland Medical Center website notes a minimum recommended carbohydrate intake of 100 grams to 150 grams per day. The Institute of Medicine, the organization that sets the recommended dietary allowances for nutrients, recommends consuming at least 130 grams of carbohydrates per day.or most people, this is still below the recommended percentage of calories from carbohydrates. If you consumed 1,200 calories per day, 130 grams of carbohydrates would make up 43 percent of your calories, but it would only be 26 percent of your daily calories if you consumed 2,000 calories per day.