The next issue of #EctJ celebrates the seminal contributions of Philip G. Wright to causal inference in economics and puts them in a modern perspective. At its core is a reproduction
of Appendix B in his 1928 book "The Tariff on Animal and Vegetable Oils" #EconSky academic.oup.com/ectj/advance...
In levying a duty on any article it is desirable to be able to estimate with some accuracy the price, output, and import changes which are likely to follow
