Elasticity of substitution. Elasticity of substitution is the elasticity of the ratio of two inputs to a production (or utility) function with respect to the ratio of their marginal products (or utilities). In a competitive market, it measures the percentage change in the ratio of two inputs used in response to a percentage change in their prices.
Oracle BPM. Homologation (from the verb homologate, meaning to approve or confirm officially) is the process of certifying or approving a product to indicate that it meets regulatory standards and specifications, such as safety and technical requirements.n English-speaking jurisdictions, homologation is often referred to as type approval or certificate of conformity, because homologating a product entails certifying that it meets the requirements specific to its type.
Definition of Homolog, Ortholog and Paralog. It was suggested that I might want to provide definitions which made the difference between these terms clear. These definitions are provided here. Homolog. A gene related to a second gene by descent from a common ancestral DNA sequence. The term, homolog, may apply to the relationship between genes separated by the event of speciation (see ortholog) or to the relationship betwen genes separated by the event of genetic duplication (see paralog). Orthologs are genes in different species that evolved from a common ancestral gene by speciation.