
| A MODEL OF INDUCED INVENTION AND ECONOMIC GROWTH† |
| THE STABILITY OF INTERREGIONAL COMPETITION AND THE PROGRAMMING APPROACH TO THE ANALYSIS OF SPATIAL TRADE EQUILIBRIA |
| LEARNING BY DOING ONCE AGAIN |
| ON METHODS OF INSTRUMENTAL VARIABLES FOR ESTIMATION IN MODELS WITH ERRORS IN VARIABLES |
| A NOTE ON TWO STAGE SECOND BEST |
| LLOYD ON THE FALSIFIABILITY OF ECONOMIC THEORY Gordon Welty |
| CETERIS PARIBUS, ETC. |
| A REJOINDER TO PROFESSOR LLOYD |
| Errata |