Results 81 to 90 of about 1,533,640 (184)

Models on diel vertical migration [PDF]

, 1993
To clarify what can be expected from models the role of modelling in the scientific process in relation to experiments and field studies is addressed. Hypotheses to explain vertical migration are reviewed with respect to the selection mechanism assumed ...
Gabriel, W., Gabriel, Wilfried
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Estructura y composición florística de un bosque siempreverde piemontano del centro de la Amazonía ecuatoriana, Puyo, Pastaza

Revista Cubana de Ciencias Forestales
Los estudios de estructura y composición florística son importantes para la gestión y conservación forestal. El objetivo de este trabajo fue caracterizar la estructura y composición florística de un bosque siempreverde piemontano del centro de la ...
Yamila Lazo Pérez, Arliet Morales Moreno, Yasiel Arteaga Crespo, Yudel García Quintana   +3 more
doaj  

Productividad y estructura vertical de un bosque templado con incidencia de incendios forestales

Revista Mexicana de Ciencias Forestales, 2017
Se evaluaron las afectaciones ocasionadas por un incendio forestal, la estructura vertical y la asociación de las especies arbóreas y su relación con la productividad a través de variables dasométricas.
Juan Carlos Ramos Reyes, Eduardo Javier Treviño Garza, Enrique Buendía Rodríguez, Oscar Alberto Aguirre Calderón, José Israel López Martínez   +4 more
doaj   +1 more source

Vertical integration and exclusive vertical restraints in health-care markets [PDF]

We examine vertical integration and exclusive vertical restraints in health-care markets where insurers and hospitals bilaterally bargain over contracts.
Rudy Douven, Katalin Katona, Victoria Shestalova, Rein Halbersma   +3 more
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Investment specificity, vertical integration and market foreclosure [PDF]

In this paper we consider the impact of vertical integration on a retailer's choices of product variety and specific, brand-supporting investment. In an incomplete contract environment, vertical merger encourages investment in integrated supply, and ...
Bickenbach, Frank, Williams, Iestyn
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Entry and Vertical Disintegration [PDF]

We formalize and extend George Stigler’s famous article “The division of labor is limited by the extent of the market.” We emphasize economies of scale in intermediate goods production as a determinant of firm boundaries and vertical control.
Christiaan Hogendorn, Alain de Fontenay
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Vertical Integration, Innovation and Foreclosure [PDF]

This paper studies the potential effects of vertical integration on downstream firms' incentives to innovate. Interacting efficiently with a supplier may require information exchanges, which raises the concern that sensitive information may be disclosed ...
Marie-Laure Allain, Claire Chambolle, Patrick Rey   +2 more
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Asymmetric Vertical Integration [PDF]

We examine vertical backward integration in a reducedform model of successive oligopolies. Our key findings are: (i) There may be asymmetric equilibria where some firms integrate and others remain separated, even if firms are symmetric initially; (ii ...
Stefan Buehler, Armin Schmutzler
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Vertical foreclosure: a policy framework [PDF]

Whenever you phone your mother, switch on the light, or buy health insurance you purchase a service or product from a chain of vertically related industries.
Michiel Bijlsma, Viktoria Kocsis, Victoria Shestalova, Gijsbert Zwart   +3 more
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Cementing Relationships: Vertical Integration, Foreclosure, Productivity, and Prices [PDF]

This paper empirically investigates the possible market power effects of vertical integration proposed in the theoretical literature on vertical foreclosure.
Chad Syverson, Ali Hortacsu
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