Economic variables such as prices, prices, investment, and consumption change over time. The process of these changes is divided into several discontinuous periods, and the method of analysis is called period analysis, assuming that these economic variables remain constant within these periods. It is also called sequence analysis. Companies and households plan future production and consumption volumes based on past experience and data (called ex ante values). However, the values realized in the market (called ex post values) do not necessarily match the planned values. This makes it necessary to revise the plans. In period analysis, plans are not revised within a period, but only at the end of a period. Here, it is important to consider how much the difference between the planned value and the realized value is adjusted in the next period. Period analysis is effective in seeing how the complex causal relationships between economic variables change over time. If the period of period analysis is made as small as possible, it becomes continuous analysis. In continuous analysis, economic variables are analyzed as changing continuously over time. [Koichi Hatanaka] [Reference] |Source: Shogakukan Encyclopedia Nipponica About Encyclopedia Nipponica Information | Legend |
価格、物価、投資、消費などの経済変量は時間の経過とともに変化していく。これらの変化の過程を断続的ないくつかの期間にくぎり、この期間内においてはこれらの経済変量は不変であると想定して分析する方法を期間分析という。継起分析sequence analysisともよばれる。企業や家計は過去の経験、データなどに基づいて将来の生産量や消費量を計画する(これを事前値という)。しかしながら市場において実現する値(これを事後値という)はかならずしも計画値とは一致しない。そこで計画を修正する必要が生じる。期間分析では期間内には計画は修正されず、期間と期間のくぎりでのみ修正が行われる。ここでは計画値と実現値の差が次期にどれだけ調整されるかが重要となる。期間分析は経済変量間の複雑な因果関係が期間の推移とともにどのように変動するかをみるのに有効である。期間分析の期間を限りなく小さくすれば連続分析continuous analysisとなる。連続分析では経済変量が時間とともに連続的に変化するものとして分析する。 [畑中康一] [参照項目] |出典 小学館 日本大百科全書(ニッポニカ)日本大百科全書(ニッポニカ)について 情報 | 凡例 |
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