Rumen Dobrinsky () (UN Economic Commission for Europe, Palais des Nations, Geneva) Gabor Korosi () (Institute of Economics Hungarian Academy of Sciences) Nikolay Markov () (Centre for Economic and Strategic Research, Bulgaria) Laszlo Halpern () (Institute of Economics Hungarian Academy of Sciences)
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Under perfect competition and constant returns to scale, firms producing homogeneous products set their prices at their marginal costs which also equal their average costs. However, the departure from these standard assumptions has important implications with respects to the derived theoretical results and the validity of the related empirical analysis. In particular, monopolistic firms will charge a markup over their marginal costs. We show that firms' markups tend to be directly associated with the employed production technology, more specifically with their returns to scale. Accordingly, we analyze the implications for the markup ratios from the incidence of non-constant returns to scale. We present quantitative results illustrating the effect of the returns to scale index on the firms' price markups, as well as the relationship between the two indicators, on the basis of firm-level data for Bulgarian and Hungarian manufacturing firms.
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Paper provided by Institute of Economics, Hungarian Academy of Sciences in its series IEHAS Discussion Papers with number
0412.
Find related papers by JEL classification: C23 - Mathematical and Quantitative Methods - - Single Equation Models; Single Variables - - - Models with Panel Data D21 - Microeconomics - - Production and Organizations - - - Firm Behavior D24 - Microeconomics - - Production and Organizations - - - Production; Capital and Total Factor Productivity; Capacity
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