In 1995, Beck and Katz (B&K) instructed readers of APSR on “What to do (and not to do) with timeseries, cross-section data.” Even though this influential paper largely ignored the extensive literature on panel data methods, the simple B&K prescriptions rapidly became the new orthodoxy for practitioners. Our assessment of the intellectual aftermath of this paper, however, does not inspire confid...

One of the greatest challenges in providing information and communi-cation technology access is that about 775 million people in the worldare completely non-literate and many are able to read only with greatdifficulty and effort. Even though mobile phone penetration is growingvery fast, people with low levels of literacy have been found to avoidcomplex functions, and primari...

This work is about an appropriate choice of a renewable energy source between a wind turbine and a solar power plant. The selected renewable energy source should supply electricity to a site, part of the University Alioune Diop of Bambey, in Ngoundiane, Thies region. The work is based on analysis of meteorological parameters (wind speed, ambient temperature, solar irradiation). According to thi...

Becquerell has observed that p-rays change yellow phosphorus into red form. Ramsey* and Cameron* have shown that the radium emanation has destruotive and partial synthetic actions upon water, carbon monoxide, carbon dioxide, hydrogen chloride, and ammonia. The decomposing action of radium rays on the lecithin molecule has been observed by Schwara,4 Schaper,& and Werner.6 On the other hand, no s...

Kirwan, E. O'G.-" Epidemic Superficial Punctate Keratitis in Bengal." Prcc. All-India Obhthal. Soc., Vol. III, p. 1, 1933. Kuchner, K.-" Inoculations with Herpes Virus." Klin. Monatsbl. f. A tgenheilk., Vol. XCI, p. 485, 1933. Lloyd, R. I.-" Herpes and Allied Conditions." Amer. Ji. of Ophthal., Vol. XIV, p. 601, 1931. Moore, R. F -" Ocular Manifestations of Lesions of the Fifth Nerve." British ...

Kirwan, E. O'G.-" Epidemic Superficial Punctate Keratitis in Bengal." Prcc. All-India Obhthal. Soc., Vol. III, p. 1, 1933. Kuchner, K.-" Inoculations with Herpes Virus." Klin. Monatsbl. f. A tgenheilk., Vol. XCI, p. 485, 1933. Lloyd, R. I.-" Herpes and Allied Conditions." Amer. Ji. of Ophthal., Vol. XIV, p. 601, 1931. Moore, R. F -" Ocular Manifestations of Lesions of the Fifth Nerve." British ...