Demand is said to be ____ when the quantity demanded changes the same proportion as the price

In the utility maximizing model, consumer preferences are assumed to be transitive. What does this mean?

A) that consumers have the freedom to change their preferences from time to time B) that consumers prefer more of a good to less C) that consumers go through cycles in their consumption behavior D) that consumers have preferences that are relatively consistent in the time period under consideration

The demand for money is given by Md = $Y (0.3 - i), where $Y = 100 and the supply of money is $20. a. What is the equilibrium interest rate? b. What is the impact on the interest rate if central bank money is increased to $25?

What will be an ideal response?