On May 11, 2011, it cost 11.601 Mexican pesos to buy one U.S. dollar. How many U.S. dollars did it take to buy a Mexican peso?

According to economists who support passive policymaking

A) expansionary policies can reduce unemployment without increasing the price level. B) policies that attempt to exploit the Phillips curve trade-off will eventually become ineffective for reducing unemployment. C) there is no difference between the effect of an anticipated change in aggregate demand and the effect of an unanticipated change in aggregate demand of an identical amount. D) workers always consider a change in nominal wages to be a change in real wages.

A professor in your microeconomics lectures derived a labor demand curve in the lecture

Given some reasonable assumptions, she showed that the demand for labor depends negatively on the real wage. You want to put this hypothesis to the test ("show me") and collect data on employment and real wages for a certain industry. You try to estimate the labor demand curve but find no relationship between the two variables. Is economic theory wrong? Explain. What will be an ideal response?