Dr. Alfred P. Maudslay

Visit of Dr. Alfred Blalock

gathering of doctors, students and nurses. Dr. Blalock is the third notable occupant of the Chair of Surgery at Johns Hopkins Hospital. First was William Stewart Halstead, the centenary of whose birth, celebrated by the Royal Society of Medicine on May 20th, was the reason for Dr. Blalock's visit to England. The second was Dean Lewis, and he was succeeded by Dr. Blalock who came to Hopkins from...

Alfred P . Sloan School of Management

Alfred P . Sloan School of Management

Introduction The purpose of this appendix is to present a more detailed view of the medical technology simulation model discussed in the body of the paper. This is not intended to be a comprehensive description of the computer model, MEDTECH, which contains approximately 100 active equations. Instead, the discussion will focus on only the most important relationships in the model, occasionally ...

Alfred P . Sloan School of Management

Alfred P . Sloan School of Management

This paper investigates the use of individual cross section data to describe macro functions. Necessary and sufficient conditions (denoted AS) are found for OLS slope coefficients from a cross section to consistently estimate the first derivatives of the macro function. AS embodies both sets of aggregation assumptions known; linear aggregation and sufficient statistics , and thus represents gen...