Scope For Quality Differentiation Research Articles

DISPERSION IN INPUT AND OUTPUT PRICES: A FIRM-LEVEL ANALYSIS

Analyzing representative and rich data on the Indian formal manufacturing sector, this paper tries to establish an empirical relationship between prices of input, output and firm size of the plant. The firm-level data reflect tremendous dispersion in prices that firms pay to purchase material input even within an industry. Price heterogeneity is also observed for prices that firms charge for their output even for narrowly defined products. The paper constructs a model using information on output and input choices by firms to analyze the observed patterns. The paper finds that on average, bigger plants not only pay a premium for the inputs used in the production process, but also charge a premium for their outputs. After documenting the empirical relationship, the paper discusses the possible sources for price dispersion. The paper highlights sectoral variations in the correlation between plant size and prices, which are consistent with the findings in the literature related to the scope for quality differentiation in output as well as inputs. The empirical pattern observed supports the hypothesis that correlation between plant size and price can be driven by market power.

Firm Heterogeneity and Export Pricing in India

We examine export pricing by Indian manufacturing firms in the early 2000s using a unique data set that matches firm characteristics with product and destination‐level trade data. We find that, in contrast to China and other countries, firm productivity is negatively associated with export prices, and export prices are negatively associated with distance while positively associated with remoteness. Our conjecture is that Indian innovation costs, which are higher than China's, drive down the scope for quality differentiation causing a negative association between productivity and prices. To the best of our knowledge, this is the first empirical evidence consistent with heterogenous goods and short quality ladders, a theoretical possibility noted in the study by Antoniades (2012), an outcome that arises here because of domestic Indian economic and regulatory features.

Trade Liberalization, Quality, and Export Prices

This paper presents theory and evidence from disaggregated Chinese data that tariff reductions induce a country's producers to upgrade the quality of their exports. The paper first documents stylized facts regarding the effect of trade liberalization on export prices. Next, an analytic framework is developed that relates a firm's choice of quality to its access to imported intermediates. In the model a reduction in import tariffs induces a firm to increase export quality and to raise its export price in industries where the scope for quality differentiation is large while to lower its export price in industries where the scope is small. The predictions are consistent with the stylized facts and are highly robust econometrically.

Trade Liberalization, Quality, and Export Prices

This paper presents theory and evidence from disaggregated Chinese data that tariff reductions induce a country's producers to upgrade the quality of their exports. We first document stylized facts regarding the effect of trade liberalization on export prices. Next, we develop an analytic framework that relates a firm's choice of quality to its access to imported intermediates. In the model, a reduction in import tariffs induces a firm to increase export quality and raise its export price in industries where the scope for quality differentiation is large and lower its export price in industries where the scope is small. The predictions are consistent with the stylized facts and are highly robust econometrically.

The Quality-Complementarity Hypothesis: Theory and Evidence from Colombia

This paper presents a tractable formalization and an empirical investigation of the quality-complementarity hypothesis, the hypothesis that input quality and plant productivity are complementary in generating output quality. We embed this complementarity in a general-equilibrium trade model with heterogeneous, monopolistically competitive firms, extending Melitz (2003), and show that it generates distinctive implications for two simple, observable within-sector correlations -- between output prices and plant size and between input prices and plant size -- and for how those correlations vary across sectors. Using uniquely rich and representative data on the unit values of outputs and inputs of Colombian manufacturing plants, we then document three facts: (1) output prices are positively correlated with plant size within industries on average; (2) input prices are positively correlated with plant size within industries on average; and (3) both correlations are more positive in industries with more scope for quality differentiation, as measured by the advertising and R&D intensity of U.S. industries. The predicted and observed correlations between export status and input and output prices are similar to those for plant size. We present additional evidence that market power of either final-good producers or input suppliers does not fully explain the empirical patterns we observe. These findings are consistent with the predictions of our model and difficult to reconcile with alternative models that impose symmetry or homogeneity of either inputs or outputs. We interpret the results as broadly supportive of the quality-complementarity hypothesis.