宏观经济学通常将失业分为摩擦性失业和（ ）。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='31470' and id < 2523378 and id<>'2523378' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='31470' and id > 2523378 and id<>'2523378' order by id asc limit 5