Many spouses complain that their partners put less effort into their relationship after getting married. This is an example of

A(n) ________ is represented by a rightward shift of the demand curve while a(n) ________ is represented by a movement along a given demand curve

A) increase in quantity demanded; increase in demand B) decrease in demand; decrease in quantity demanded C) increase in demand; increase in quantity demanded D) increase in demand; decrease in demand

Assume that for the T = 2 time periods case, you have estimated a simple regression in changes model and found a statistically significant positive intercept. This implies

A) a negative mean change in the LHS variable in the absence of a change in the RHS variable since you subtract the earlier period from the later period B) that the panel estimation approach is flawed since differencing the data eliminates the constant (intercept) in a regression C) a positive mean change in the LHS variable in the absence of a change in the RHS variable D) that the RHS variable changed between the two subperiods