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.
Sedentary women between the ages of 19 and 30 should consume between 1,800 and 2,000 calories per day. Carbohydrates should account for 810 to 1,300 of your calories each day. As there are 4 calories in 1 gram of carbohydrates, this amounts to 202.5 to 325 grams of carbohydrates per day.s carbohydrates should account for 900 to 1,430 of these calories, you should eat 225 to 357.5 grams of carbs each day. If you are between the ages of 31 and 50, these values decrease to 2,000 calories and between 225 and 325 grams of carbs every day.