gasoline market confirms that increases in concentration reduce product variety. Ignoring this product variety effect is likely …

) segment. Two possible institutional patterns are compared. Under 'concentration' the regulated firm can enter the competitive … improves (expected) social welfare as long as goods are substitutes. Conversely, concentration performs better in case of …

This paper aims to analyze the degree of concentration of loans allocated to agricultural and livestock activities in …

market definition such as 'acute in-patient care' averages out severe discrepancies that become visible when concentration is … only impact on the level of concentration, while the correlation remains high. Our results underline the need for more …

The paper calculates the concentration in 6 major routes of the Greek ferry system (2001-2010), important not only for …

This paper uses new data to reexamine trends in concentration in U.S. markets from 1994 to 2019. The paper's main … contribution is to construct concentration measures that reflect narrowly defined consumption-based product markets, as would be … higher than previous results. Also in contrast with the previous literature, we find that product market concentration has …

Industry concentration and markups in the US have been rising over the last 3- 4 decades. However, the causes remain … (large) firms. Regulation driven increase in concentration is associated with lower elasticity of entry with respect to Tobin …

monopoly now features so prominently on the political and economic agenda. Mounting evidence shows that corporate concentration … stifles innovation and investment, resulting in lower-quality goods and services and less economic dynamism. Concentration is … people come to recognize the role of federal and state-level taxation in understanding corporate concentration in the US. Yet …