Resource Center

Advanced Search
Technical Papers
Working Papers
Research Memoranda
GTAP-L Mailing List
GTAP FAQs
CGE Books/Articles
Important References
Submit New Resource

GTAP Resources: Resource Display

GTAP Resource #6005

"Optimization with Hat Derivatives: Theoretical and Mathematical Derivation of an Applied Computable Partial Equilibrium Model"
by Yang, Anton


Abstract
This note links the mathematical concept of hat derivatives to constrained optimization results derived and used by economists which is increasingly often written in the General Equilibrium Modelling (GEMPACK) Software using the TABLO language of writing economic models. Without these connections, it is fair to say that there are at least two substantial gaps in understanding many simple concept-based but probably lengthy economic models that are almost exclusively implemented using computers today. The first one is that, despite its importance, mathematicians almost never (very rarely, if so) formally introduce hat derivatives in a text book or publicly accessible academic sources (Maurer, 2002); the second one is that, despite its frequent use in contemporary economic computations, economists and economic modelers unwittingly lack a step-by-step explanation of how computer languages use the concept of hat derivatives derived from the neoclassical economic theory. Inside and outside of the economics discipline, this has created barriers to economists’ understanding of important model structures and communications among them within their own community. Quality economic research can be disregarded outside of the discipline without the proper and thorough communication of the mathematics. Therefore, the purpose of this note (partially due to increasing demand for relevant inquiries) is to attempt to fill these gaps.


Resource Details (Export Citation) GTAP Keywords
Category: Other CGE Application
Status: Not published
By/In:
Date: 2020
Version:
Created: Yang, A. (4/6/2020)
Updated: Yang, A. (4/20/2020)
Visits: 1,227
No keywords have been specified.


Attachments
If you have trouble accessing any of the attachments below due to disability, please contact the authors listed above.


Public Access
  File format GTAP Resource 6005  (335.1 KB)   Replicated: 0 time(s)


Restricted Access
No documents have been attached.


Special Instructions
No instructions have been specified.


Comments (0 posted)
You must log in before entering comments.

No comments have been posted.