values of the standard Solow productivity residual. The equivalence holds if the representative household maximizes utility …

summarized to a first order by the current and expected future values of the Solow productivity residual in level and by the …

liberalization. Firm productivity in a given product is modeled as a combination of firm-level "ability" and firm …-level ability raises a firm's productivity across all products, which induces a positive correlation between a firm's intensive … (output per product) and extensive (number of products) margins. Trade liberalization fosters productivity growth within and …

aggregation problem introduces a bias into standard measures of firm productivity. We develop a theoretical model of heterogeneous …

Measured productivity growth increased substantially during the second half of the 1990s. This paper examines whether … productivity growth does appear to arise from an increase in technological change. Cyclical utilization raised measured … productivity growth relative to technology growth in the first part of the expansion, but lowered it subsequently. Factor …

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 …

Explanations of procyclical productivity play a key role in a variety of business-cycle models. Most of these models … aggregate productivity changes into several terms, each of which has an economic interpretation. However, many of these terms …

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