prices and total factor productivity (TFP) with the aim of highlighting data patterns that are useful for evaluating business … both Japan and the U.S., innovations in stock prices that are contemporaneously orthogonal to TFP precede most of the long … run movements in total factor productivity and (ii) such stock prices innovations do not affect U.S. sectoral TFPs …

by a shock that does not affect productivity in the short run -- and therefore does not look like a standard technology … shock -- but affects productivity with substantial delay -- and therefore does not look like a monetary shock. One … precede productivity growth by a few years. Moreover, we show that this shock explains about 50\% of business cycle …

-adjusted total factor productivity series, which we take as a measure of exogenous productivity. In contrast to the predictions of … the model, positive productivity shocks are estimated to be more expansionary at the ZLB compared to normal times. However …, in line with the predictions of the basic model, positive productivity shocks have a stronger negative effect on …

Productivity rises in booms and falls in recessions. There are four main explanations for this procyclical productivity … procyclical productivity as an essential feature of business cycles because each explanation has important implications for … utilization and resource reallocations are particularly important in explaining procyclical productivity. We also argue that the …

and capital are important for explaining procyclical productivity. Here I present two simple and direct tests of these …