As a potential theory, the elemental resource-based view {RBV) is not currently a theoretical structure. Moreover, RBV proponents have assumed stability in product markets and eschewed determining resources' values. As a perspective for strategic management, imprecise definitions hinder prescription and static approaches relegate causality to a "black box." We outline conceptual challenges for improving this situation, including rigorously formalizing the RBV, answering the causal "how" questions, incorporating the temporal component, and integrating the RBV with demand heterogeneity models.

This report of the American Dairy Science Association Committee on the Nomenclature, Classification, and Methodology of Milk Proteins reviews changes in the nomenclature of milk proteins necessitated by recent advances of our knowledge of milk proteins. Identification of major caseins and whey proteins continues to be based upon their primary structures. Nomenclature of the immunoglobulins consistent with new international standards has been developed, and all bovine immunoglobulins have been characterized at the molecular level. Other significant findings related to nomenclature and protein methodology are elucidation of several new genetic variants of the major milk proteins, establishment by sequencing techniques and sequence alignment of the bovine caseins and whey proteins as the reference point for the nomenclature of all homologous milk proteins, completion of crystallographic studies for major whey proteins, and advances in the study of lactoferrin, allowing it to be added to the list of fully characterized milk proteins.

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