نتایج جستجو برای: q28
تعداد نتایج: 206 فیلتر نتایج به سال:
Environmental problems, such as climate change, have great uncertainties. Current expectations are that uncertainties about climate change will be resolved quickly. We examine this hypothesis theoretically and computationally. We consider Bayesian learning about the relationship between greenhouse gas levels and global mean temperature changes, a key uncertainty. Learning is non-trivial because...
We estimate the price elasticity of water demand with household-level data, structurally modeling the piecewise-linear budget constraints imposed by increasing block pricing. We develop a mathematical expression for the unconditional price elasticity of demand under increasing block prices and compare conditional and unconditional elasticities analytically and empirically. We test the hypothesi...
A growing body of literature suggests that political factors are one of the major causes of environmental damage in developing countries endowed with a relative abundance of renewable resources. This has prompted calls for the use of trade sanctions to encourage sustainable resource management practices in these countries. This paper develops a model to assess the interaction between political ...
The Urban Informal Sector (UIS) is a major and expanding part of developing economies both in terms of employment and output. However, they cause substantial environmental damages and worsen living conditions, prompting authorities to impose rigid environmental regulations. Yet, these steps have been mostly arbitrary and based on adhoc popular sentiment or political exigencies and not on rigoro...
Subsidies linked to production have been classified to be environmentally harmful by OECD. A core element of the EU 2003 Common Agricultural Policy (CAP) reform is to decouple income support from production. This paper estimates the environmental consequences of this policy reform. An agricultural sector model using a modified version of the positive mathematical programming method depicts the ...
Rent dissipation in open access fisheries is well studied (Gordon 1954; Homans and Wilen 1997). Due in part to industry pressure, fishery regulators have historically been reluctant or unable to limit entry or directly regulate harvest, and have relied instead on efficiency restrictions (technology restrictions and season lengths) to achieve management goals. We study the situation when a regul...
Genome-wide analysis of a multi-incident family with autosomal-dominant parkinsonism has implicated a locus on chromosomal region 3q26-q28. Linkage and disease segregation is explained by a missense mutation c.3614G>A (p.Arg1205His) in eukaryotic translation initiation factor 4-gamma (EIF4G1). Subsequent sequence and genotype analysis identified EIF4G1 c.1505C>T (p.Ala502Val), c.2056G>T (p.Gly6...
The gene encoding the human homologue of the guinea pig uterine bombesin receptor [(1992) Eur. J. Biochem. 208, 405] was isolated from a genomic lambda library by the PCR/homology screening approach. The gene spans more than 4 kb and consists of 3 exons and 2 introns. The deduced amino acid sequence shows about 86% identity to that of guinea pig bombesin receptor. This subtype of bombesin recep...
A successful test is reported to generate long-range contiguous coverage of DNA from a human cytogenetic band in overlapping yeast artificial chromosomes (YACs). Seed YACs in band Xq26 were recovered from a targeted library of clones from Xq24-q28 with 14 probes, including probes for the hypoxanthine guanine phosphoribosyltransferase- and coagulation factor IX-encoding genes and nine probes use...
An increasingly popular instrument for solving environmental problems is the “public voluntary agreement (VA),” in which government o¤ers technical assistance and positive publicity to ...rms that reach certain environmental goals. Prior papers treat such agreements as a superior, low-cost instrument that can be used to preempt a threat of traditional, ine¢cient, regulation. We present a more g...
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