Legibility and External Investment: An Institutional Natural Experiment in Liberia

An Introduction to Natural Experiment Studies

در دو سخن سردبیری شماره‌های قبل به مطالعات مداخله‌ای (Interventional and/or experimental studies) [1] و مطالعات نیمه تجربی (studies Quasi-experiment) [2] پرداختیم. همان جا، به این نکته اشاره کردیم که برای اندازه‌گیری کارآیی یک دارو، واکسن، برنامه بهداشت عمومی و متغیرهای دیگری از این دست، مطالعات مداخله‌ای بهترین گزینه هستند. تقسیم تصادفی و کورسازی از مؤلفه‌های اساسی یک مطالعه مداخله‌ای است [1]....

Investment in HIV prevention works: a natural experiment.

Melbourne Sexual Health Centre, Alfred Hospital and School of Population Health, University of Melbourne, Melbourne, Vic. 2053, Australia. National Centre in HIV Epidemiology and Clinical Research, University of New South Wales, Sydney, NSW 2010, Australia. National Centre in HIV Social Research, University of New South Wales, Sydney, NSW 2052, Australia. Australian Research Centre in Sex, Heal...

Institutional Investors and Corporate Investment

This paper investigates whether institutional investors influence firms’ investment in real assets and reduce the managerial agency conflict in investment choices. Institutional investors’ holdings of U.S. firms have gone from 10% of shares outstanding in 1960, to well over 60% in 2005. Importantly, given their significant ownership stakes and investment horizons, we expect them to closely moni...

development and implementation of an optimized control strategy for induction machine in an electric vehicle

in the area of automotive engineering there is a tendency to more electrification of power train. in this work control of an induction machine for the application of electric vehicle is investigated. through the changing operating point of the machine, adapting the rotor magnetization current seems to be useful to increase the machines efficiency. in the literature there are many approaches wh...

Multimodal Infrastructure Investment Decision Making: An Institutional and Funding Perspective