If input prices adjusted just as quickly as output prices, the profit effect leading to an increase in RGDP supplied would disappear

The following estimation methods should not be used to test for randomization when Xi, is binary:

A) linear probability model (OLS) with homoskedasticity-only standard errors. B) probit. C) logit. D) linear probability model (OLS) with heteroskedasticity-robust standard errors.

Which of the following would not increase French exports to the United States?

a. an appreciation of the U.S. dollar b. an appreciation of the euro c. a depreciation of the euro d. an increase in French preferences for American goods e. an increase in real income in France