activities, economies, goods, values, work, economy, time, institutions, production, environment, forces, activity, issues, benefits, sector, valuation, strategies, mechanisms, action, factors, transactions, services, organizations, strategy, behavior, effects, systems, countries, failure, risk, methods, costs, means, allocation, societies, controls, productivity, environments, forms, output, sectors, techniques, issue, prices, criteria, relations, resources, failures, actors, impacts, relationships, processes, clearing, considerations, solutions, alternatives, sources, uses, making, exchange, labor, situations, interactions, influences, transfers, mechanism, arrangements, components, structures, income, elements, aspects, outputs, settings, exchanges, actions, commodities, approaches, coordination, context, discrimination, incentives, component, measures, decisions, phenomena, good