Investment plays an important role in economic development. It can be divided into public and private investments. The difference lies in the purpose and way of evaluation of each one. Generally speaking, public investments are more socially directed than private ones. Both public and private investments are necessary in the economic development process. It is commonly recognized that most public investments preceded by a feasibility study. Feasibility studies may be defined as a systematic way of compiling and presenting the data necessary for accepting or rejecting an investment. The purpose of this paper is to present some methodological information on how to prepare and present market studies in developing countries, with the specific aim of looking for new investment opportunities and to illustrate the methodology with consideration of a beef slaughtering example.