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  2. Amphibian - Wikipedia

    en.wikipedia.org/wiki/Amphibian

    Amphibians are ectothermic, anamniotic, four-limbed vertebrate animals that constitute the class Amphibia. In its broadest sense, it is a paraphyletic group encompassing all tetrapods excluding the amniotes (tetrapods with an amniotic membrane , such as modern reptiles , birds and mammals ).

  3. Butterfly Economics - Wikipedia

    en.wikipedia.org/wiki/Butterfly_economics

    Butterfly Economics: A New General Theory of Social and Economic Behavior is a book by Paul Ormerod dealing with economic theory, published in 1998. The author uses a plethora of insect-related metaphors to show that an economy tends to function like a living organism and is thus able to learn and to adapt.

  4. Robinson Crusoe economy - Wikipedia

    en.wikipedia.org/wiki/Robinson_Crusoe_economy

    The implicit assumption is that the study of a one agent economy will provide useful insights into the functioning of a real world economy with many economic agents. This article pertains to the study of consumer behaviour, producer behaviour and equilibrium as a part of microeconomics. In other fields of economics, the Robinson Crusoe economy ...

  5. Glossary of economics - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_economics

    Also called resource cost advantage. The ability of a party (whether an individual, firm, or country) to produce a greater quantity of a good, product, or service than competitors using the same amount of resources. absorption The total demand for all final marketed goods and services by all economic agents resident in an economy, regardless of the origin of the goods and services themselves ...

  6. Consumer behaviour - Wikipedia

    en.wikipedia.org/wiki/Consumer_behaviour

    According to the American Marketing Association, consumer behaviour can be defined as "the dynamic interaction of affect and cognition, behaviour, and environmental events by which human beings conduct the exchange aspects of their lives." As a field of study, consumer behaviour is an applied social science. Consumer behaviour analysis is the ...

  7. Buyer decision process - Wikipedia

    en.wikipedia.org/wiki/Buyer_decision_process

    Consumer behavior models – practical models used by marketers. They typically blend both economic and psychological models. They typically blend both economic and psychological models. In an early study of the buyer decision process literature, Frank Nicosia (Nicosia, F. 1966; pp 9–21) identified three types of buyer decision-making models.

  8. Consumption function - Wikipedia

    en.wikipedia.org/wiki/Consumption_function

    The term is the induced consumption that is influenced by the economy's income level . The parameter b {\displaystyle b} is known as the marginal propensity to consume , i.e. the increase in consumption due to an incremental increase in disposable income, since ∂ C / ∂ Y d = b {\displaystyle \partial C/\partial Y_{d}=b} .

  9. List of amphibians - Wikipedia

    en.wikipedia.org/wiki/List_of_amphibians

    Amphibians are ectothermic, tetrapod vertebrates of the class Amphibia. All living amphibians belong to the group Lissamphibia . They inhabit a wide variety of habitats , with most species living within terrestrial , fossorial , arboreal or freshwater aquatic ecosystems .