first step in such an evaluation is to identify the properties of the model using standard techniques, and a large part of our paper was devoted to this end. Polak objects to our “merged” model, or if you like, to the “marriage” of FM and RMSM. We presume the objection is not directed to the marriage as an analytical device to examine the relationship between the models, but rather implicitly reflects his misgivings about the value of the merged model as a tool for analyzing adjustment with growth issues in developing countries. We do not quarrel with this, and to