Most Keynesian macroeconomists today ________ the natural rate hypothesis, which has helped lead to the ________ of Keynesian macroeconomics in the 1990s

In the "non-market-clearing model" the level of final goods sales and unemployment during a recession are

A) the result of interactions between supply and demand. B) higher than would be the case in a market clearing model. C) caused by the rapid adjustment of prices and wages. D) the result of wage and price rigidities.

In an economy that relies on barter, trade requires a double-coincidence of wants

a. True b. False Indicate whether the statement is true or false