Estimating Cost Function Parameters Without Using Cost Data: Illustrated Methodology
不使用成本数据估计成本函数参数:方法示例AI 解读 ↓
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不使用成本数据估计成本函数参数:方法示例AI 解读 ↓
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FOR VARIOUS REASONS, data availability being not the least of these, empirical studies of production processes can often be carried out more conveniently in terms of cost functions instead of production functions. Assuming cost minimizing behavior by entrepreneurs, cost function studies can, in principle, reveal the same information [23, 26]. Such dual cost functions have an empirical difficulty in common with production functions, however. They must be concave and linear homogeneous in input prices so that, when limitations of known estimation techniques are considered, the choice of appropriate algebraic structure is severely restricted. Even when only economies of scale information is desired, the preferred time-series studies [27, p. 39ff] are placed under this handicap since construction of a proper index to deflate price variation is equivalent to specification and parameter estimation of a production function [16]. For this reason, attention is directed to the sometimes criticized cross-section studies where input price variation may be negligible.