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New cellular networks in Malawi: Correlates of service rollout and network performance

Thornton, Rebecca L.; Batzilis, Dimitrios; Dinkelman, Taryn - National Bureau of Economic Research (NBER) - 2010

Cellular technologies have become increasingly important in the developing world; infrastructure for mobile networks has expanded dramatically over the past two decades giving access to remote areas without previous phone service. Despite this expansion, relatively little is known about the...

Persistent link: https://www.econbiz.de/10008764662

Search for a Common Factor in Public and Private Real Estate Returns

Ang, Andrew; Nabar, Neil; Wald, Sam - National Bureau of Economic Research (NBER) - 2013

This paper is no longer available on-line from the NBER. A revised version of the paper has been published as "Searching for a Common Factor in Public and Private Real Estate Returns" in the Journal of Portfolio Management JPM RE 2013, Vol. 39, No. 5: pp. 120-133.

Persistent link: https://www.econbiz.de/10010821748

Is There Evidence of a Real Estate Collateral Channel Effect on Listed Firm Investment in China?

Gyourko, Joseph; Deng, Yongheng; Wu, Jing - National Bureau of Economic Research (NBER) - 2013

Previous research on the United States and Japan finds economically large impacts of changing real estate collateral value on firm investment. Working with unique data on land values in 35 major Chinese markets and a panel of firms outside the real estate industry, we estimate investment...

Persistent link: https://www.econbiz.de/10010796599

The Roles of Marketing, Product Quality and Price Competition in the Growth and Composition of the U.S. Anti-Ulcer Drug Industry

Bui, Linda T.; Reiley, David; Berndt, Ernst R.; Urban, Glen - National Bureau of Economic Research (NBER) - 1994

indications and number of adverse drug interactions), and order of entry into the market. …

Persistent link: https://www.econbiz.de/10005710529

Generics and New Goods in Pharmaceutical Price Indexes

Cockburn, Iain M.; Griliches, Zvi - National Bureau of Economic Research (NBER) - 1993

We examine the issue of new goods and price indexes for the important and tractable case of generic and branded drugs. By treating generics as entirely distinct goods and "linking them in" to indexes with fixed weights, the standard price indexes fail to reflect the substantial welfare gains to...

Persistent link: https://www.econbiz.de/10005774847

Entry Decisions in the Generic Pharmaceutical Industry

Morton, Fiona M. Scott - National Bureau of Economic Research (NBER) - 1997

preparing an ANDA and increases the probability of entry. A subsidiary's parent's experience is not generally significant in … predicting entry of the subsidiary. Firms also prefer entering markets that are similar, in terms of revenue and sales to … market important in the entry decision. The limited evidence on entrant beliefs supports this conjecture as do several …

Persistent link: https://www.econbiz.de/10005775105

Scale, Scope and Spillovers: The Determinants of Research Productivity in the Pharmaceutical Industry

Cockburn, Iain M.; Henderson, Rebecca - National Bureau of Economic Research (NBER) - 1993

This paper presents the results of a study of the determinants of research productivity in the pharmaceutical industry. Using disaggregated, internal firm data at the research program level from ten major pharmaceutical companies, we find no evidence of increasing returns to scale at either the...

Persistent link: https://www.econbiz.de/10005829793

Pricing and Reimbursement in U.S. Pharmaceutical Markets

Berndt, Ernst R.; Newhouse, Joseph P. - National Bureau of Economic Research (NBER) - 2010

comment on very recent developments concerning the entry of large retailers such as Wal-Mart into domains traditionally …

Persistent link: https://www.econbiz.de/10008531891

Openness and Industrial Responses in a Wal-Mart World: A Case Study of Mexican Soaps, Detergents and Surfactant Producers

Javorcik, Beata Smarzynska; Keller, Wolfgang; Tybout, … - National Bureau of Economic Research (NBER) - 2006

This paper uses a case study approach to explore the effects of NAFTA and GATT membership on innovation and trade in the Mexican soaps, detergents and surfactants (SDS) industry. Several basic findings emerge. First, the most fundamental effect of NAFTA and the GATT on the SDS industry was to...

Persistent link: https://www.econbiz.de/10005089288

Brand Loyalty, Generic Entry and Price Competition in Pharmaceuticals in the Quarter Century After the 1984 Waxman-Hatch Legislation

Berndt, Ernst R.; Aitken, Murray L. - National Bureau of Economic Research (NBER) - 2010

following initial generic entry and by 24 months to 65, in 2009 the comparable generic price indexes are 68 and 27, respectively … patent has expired. Across all nine therapeutic areas, at 24 months post-generic entry, the weighted mean reduction in …

Persistent link: https://www.econbiz.de/10008682661