CONSIDERATIONS ON MEASURING PERFORMANCE AND MARKET STRUCTURE

According to neoclassical theory, the relationship between the price, respectively of marginal cost and market structures, the methods for determining the performance of a firm or of an industry, deviate from the model of perfect competition. Assessing performance involves performing comparisons, reporting that their reference level can be a standard value, or a statistical value which can be a national-regional average, a homogeneous group, or an average value at a market level. Modern theories of the firm view that they may have other objectives than profit, which need to be taken into account when analyzing performance. Therefore between indicators for assessing the economic performance of an entity or a certain level of aggregation can not lack the profit or the gross operating surplus (gross profit), gross or net added value, turnover, as well as effort indicators like gross investment, tangible, intermediate consumption, cost of production, labor productivity, energy consumption, total productivity of production factors, etc.. It will be presented the main economic and financial indicators of enterprises, by class size and ownership in Romania.