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卒論で使用するデータについてです。先行研究の散布図を最近のデータで新たな図を作る予定で、先行研究の図には以下のように書いてありました。シンプルに何年間かの失業率の平均値を求めるだけで良いのですか? "Each dot is a country. The unemployment data are standardized OECD rates and average over the years 1989-94. The benefit generosity variable is taken from the OECD Database on Unemployment Benefit Entitlements and Replacement Rates. It is a summary measure of benefit entitlement before tax as a percentage of previous earnings before tax. It thus combines a country's amount and length of benefits, because the data are averages over different earnings levels, length of unemployment spells, and family situations."

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