Results 51 to 60 of about 151 (87)

Identification and Identifiability of non-linear IV/GMM Estimators

open access: yes, 2000
In this article, the identi¯cation of instrumental variables and generalised method of moment (GMM) estimators is discussed. It is common that representations of such models are derived from the solution to linear quadratic optimisation problems. Here,
Ioannidis, C, Hunter, J
core  

Soil analysis in discussions of agricultural feasibility for ancient civilizations: A critical review and reanalysis of the data and debate from Chaco Canyon, New Mexico. [PDF]

open access: yesPLoS One, 2018
McCool JP   +13 more
europepmc   +1 more source

Social Networks and Their Impact on the Employment and Earnings of Mexican Immigrants [PDF]

open access: yes
We examine the impact of different types of social networks on the employment and wages of unauthorized and legal Mexican immigrants using data from the Mexican Migration Project.
Catalina Amuedo-Dorantes, Kusum Mundra
core  

Combustion characteristics of South African grown fuelwoods

open access: yes, 1990
Bibliography: leaves 138-144.The principle objective of this investigation was to establish a methodology to compare and rank fuelwoods. This methodology would allow a wide range of tree species to be compared and ranked according to their combustion ...
Davis, Mark
core  

Fármacos, plantas medicinais e alimentos e o farmacêutico nesse contexto

open access: yesInfarma: Pharmaceutical Sciences, 2014
Dâmaris SILVEIRA   +1 more
doaj   +1 more source

The resistances of stud shear connectors with profiled sheeting [PDF]

open access: yes
This thesis presents the study of the static behaviour of stud shear connectors welded through profiled sheeting and the fatigue resistances of the connectors in composite bridges.
Yuan, Hui
core  

Migration in the Asia-Pacific Region: Trends, factors, impacts [PDF]

open access: yes
This paper provides a comprehensive assessment of international migration in the Asia-Pacific region and reviews internal migration in China. After putting Asia-Pacific migration in a global context, it reviews trends in migration and the impacts of ...
Philip Martin
core   +2 more sources

Definitive chemotherapy: a new frontier in the fight against laryngeal cancer. [PDF]

open access: yesEur Arch Otorhinolaryngol, 2010
Haigentz M   +3 more
europepmc   +1 more source

The indeterminacy of price-value correlations: a comment on papers by Simo Mohun and Anwar Shaikh

open access: yes
This paper is the first published critique of the indeterminacy of price-value correlations and their inadequacy as empirical evidence for the determination of prices by values.
Freeman, Alan
core  

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