This paper evaluates various explanations for the profitability of momentum strategies documented in Jegadeesh and …

The purpose of this paper is to treat scale economies, profit-maximizing markups, economic profitability, capacity … run profit potential from markup behavior. As a result, on average economic profits are normal, but declining … profitability is prevalent in most industries since the early 1970s. Also, although cost and revenue shares tend to be approximately …

estimated. Using the full rainfall distribution and our profit function estimates, we find that Indian farmers on average under … expected profits. Farmers who use skilled forecasts have increased average profit levels but also have more variable profits …

Profitability, as measured by gross profits-to-assets, has roughly the same power as book-to-market predicting the …, despite having, on average, lower book-to-markets and higher market capitalizations. Controlling for profitability also … profitability explains most earnings related anomalies, as well as a wide range of seemingly unrelated profitable trading strategies …

This paper examines the impact of unionization on profit- ability, growth and productivity using time series data on … negative union effects on profitability, but growth, productivity and the capital-labor ratio appear to be little affected by … may have longer term implications for efficiency since the impact on profitability appears to fall most heavily on firms …

and over time. The theory also predicts a positive relationship between pay volatility and firm volatility, and that risk …