Empirical economists using flexible functional forms often face the disturbing choice of drawing inferences from an approximation violating properties dictated by theory or imposing global restrictions that greatly restrict the flexibility of the functional form. Focusing on the cost function, this
Aggregation Over Firms and Flexible Functional Forms
β Scribed by H. YOUN KIM
- Book ID
- 111208352
- Publisher
- John Wiley and Sons
- Year
- 2005
- Tongue
- English
- Weight
- 125 KB
- Volume
- 81
- Category
- Article
- ISSN
- 0013-0249
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## Abstract This paper compares the performance of eight frequently used flexible forms that are either (1) locally flexible, (2) βeffectively globally regularβ, or (3) asymptotically globally flexible. Results show that the functions with global properties generally perform better, particularly th
We develop some of the theory of automorphic forms in the function field setting. As an application, we find formulas for the number of ways a polynomial over a finite field can be written as a sum of k squares, k 2. As a consequence, we show every polynomial can be written as a sum of 4 squares. We