Empirical examples of demand estimation using real data are not often found in managerial economics textbooks. In classical papers on demand, estimation economists looked at coupled demand systems. Estimation of such demand systems requires a sophisticated understanding of economics and econometrics, which are beyond the scope of typical introductory texts. Our aim in this study was to estimate the demand curve for a single commodity, viz onions. We chose onions for this illustrative study because of the unique nature of the demand for onions in India, as described below.
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