This book, the fourth volume of Franklin M. Fisher's collected articles, contains work in microeconomics stretching over four decades. Principal sections include essays on stability and disequilibrium, welfare economics and consumer theory, and applications of microeconomics. Topics include the decision whether or not to use statistical methods to adjust the census, and the economics of water in the Middle East as well as the effect of computer reservations systems on airlines and the theory of united fund drives by charities. An autobiographical essay serves as an epilogue.