Esalate
发表于 2025-3-26 23:11:20
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flaggy
发表于 2025-3-27 04:53:12
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Ondines-curse
发表于 2025-3-27 07:00:10
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泥瓦匠
发表于 2025-3-27 10:21:40
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Iatrogenic
发表于 2025-3-27 14:51:51
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榨取
发表于 2025-3-27 21:11:20
1570-5811a model is an abstract representation of reality which brings out what is relevant to a particular economic issue. An econometric model is also an analytical characterization of the joint probability distribution of some random variables of interest, which yields some information on how the actual