Competition has been modelled in economic literature in a number of ways. What do these different parameterizations of … competition have in common? For instance, it turns out that it is not always the case that a rise in competition reduces price … cost margins, industry wide profits or concentration. All parameterizations of competition, considered here, have two …

We study the effect of entry on costs and competition in the Portuguese mobile telephony industry. We construct and … effort. We show that failure to account for cost reducing effort leads to biased estimates of competition in the industry. We … significant cost reductions, and fostered competition. …

volatility. We posit that competition affects volatility in two distinct and inter-related ways. Market power works as a hedging …

for high-powered incentives. The framework developed in this Paper is applied to non-profits, school competition, and …

and the introduction of competition in many markets. Despite their policy relevance, little work has been done allowing … for a thorough discussion of instruments designed to achieve universal service objectives under competition. We intend to …

the market. Using detailed matched employer-employee data, we analyze how firm takeovers and product market competition … ownership change, in particular when product market competition is weak. Further, increased competition reduces the gender wage …

Using a general-equilibrium simulation model featuring nominal rigidities and monopolistic competition in product and … labour markets, this Paper estimates the macroeconomic benefits and international spillovers of an increase in competition …, greater competition produces large effects on macroeconomic performance, as measured by standard indicators. In particular, we …

This paper establishes a causal effect of product market competition on various characteristics of organizational … (trade liberalization), we find that increasing competition leads firms to flatten their hierarchies, i.e., (i) firms reduce …