Mathematical.

Duality, separability, and functional structure Blackorby, Charles 1978 Dynamic economics Adda, Jérôme 2003 Dynamic general equilibrium modeling Heer, Burkhard 2009 Early developments in mathematical economics Theocharis, Reghinos D. 1983 Econometric Methods Johnston, J. 1963 Econometric Modeling Guide WIlliam H. Greene Year not listed Econometric theory Goldberger, Arthur Stanley 1964 Econometric theory Goldberger, Arthur Stanley 1964 Econometrica Author not listed 1982 Econometrics Tinbergen, Jan 2005 Econometrics Tintner, Gerhard 1952 Economic dynamics, methods and models Gandolfo, Giancarlo 1980 Economic forecasts and policy Theil, Henri 1958 Economic systems research Author not listed 1989 Economic theory and operations analysis Baumol, William J. 1971 Economic theory and operations analysis Baumol, William J. 1963 Economic theory and operations analysis Baumol, William J. 1977 Economic theory and operations analysis Baumol, William J. 1961 Economic theory of natural resources Herfindahl, Orris C. 1974 Economics and operational research Beilby, M. H. 1975