the theory of concentration oligopoly

The Theory of Concentration Oligopoly

This paper originates the theory of buyer concentration for a main raw material input for a single processing industry. The Oligopsony concentration is obtained and subsequently decomposed into several factors, affecting indirectly the industry’s profitability. It is found that the leading firms’ efficiencies hypothesis is reaffirmed due to variations associated with the marginal productivity d...

the analysis of the role of the speech acts theory in translating and dubbing hollywood films

از محوری ترین اثراتی که یک فیلم سینمایی ایجاد می کند دیالوگ هایی است که هنرپیش گان فیلم میگویند. به زعم یک فیلم ساز, یک شیوه متأثر نمودن مخاطب از اثر منظوره نیروی گفتارهای گوینده, مثل نیروی عاطفی, ترس آور, غم انگیز, هیجان انگیز و غیره, است. این مطالعه به بررسی این مسأله مبادرت کرده است که آیا نیروی فراگفتاری هنرپیش گان به مثابه ی اعمال گفتاری در پنج فیلم هالیوودی در نسخه های دوبله شده باز تولید...

A Theory of Bilateral Oligopoly∗

In horizontal mergers, concentration is often measured with the Hirschmann-Herfindahl Index (HHI). This index yields the price-cost margins in Cournot competition. In many modern merger cases, both buyers and sellers have market power, and indeed, the buyers and sellers may be the same set of firms. In such cases, the HHI is inapplicable. We develop an alternative theory that has similar data r...

Pricing and Market Concentration in Oligopoly Markets

T paper investigates the relationship between prices and market concentration in the auto rental industry. We assemble an original database that includes the number of auto rental operators and other exogenous demand and cost conditions at every commercial airport in the country. The data are interesting because we observe a large variation in market structure, ranging from more than 100 monopo...

Edgeworth and modern oligopoly theory

It is difficult to overemphasize the contribution of Francis Ysidro Edgeworth (1845-1926) to modern economics. His general research program was indeed ambitious: the application of mathematics and statistics to economics (or, better, to the ‘moral sciences’).’ This program remains very much in the agenda of social science today. In this short paper I will concentrate on Edgeworth’s contribution...

Introduction to Stigler’s Theory of Oligopoly