what happens if the ppf is a straight line
Production–possibility frontier In the context of a PPF, opportunity cost is directly related to the shape of the curve (see below). If the shape of the PPF curve is a straight-line, the opportunity cost is constant as production of different goods is changing. But, opportunity cost usually will vary depending on the start and end points. In the diagram on the right, producing 10 more packets of butter, at a low level of butter production, costs the loss of 5 guns (shown as a movement from A to B). At point C, the economy is already close to its maximum potential butter output. To produce 10 more packets of butter, 50 guns must be sacrificed (as with a movement from C to D). The ratio of gains to losses is determined by the marginal rate of transformation.
Peripherally inserted central catheter The insertable portion of a PICC varies from 25 to 60Â cm in length, that being adequate to reach the desired tip position in most patients. Some lines are designed to be trimmed to the desired length before insertion; others are simply inserted to the needed depth with the excess left outside. As supplied, the line has a guide wire inside. This wire is provided to stiffen the (otherwise very flexible) line so it can be threaded through the veins. The wire is removed and discarded after insertion.