We show that adjustment cost models with labor supply can explain both asset returns and business cycle facts when adjustment costs penalize the changes of investment. This conclusion stands in contrast to results obtained in the literature with adjustment costs that penalize the changes of capital.

The present paper contributes to the body of knowledge on search frictions in credit markets by demonstrating their ability to explain why the net interest margins of banks behave countercyclically. During periods of expansion, a fall in the net interest margin proceeds from two mechanisms: (i)...