00744nam0-22002531i-450-990003201540403321000320154FED01000320154(Aleph)000320154FED0100032015420000920d--------km-y0itay50------baitaITSpatial and Temporal Aggregation in the Dynamics of Labor DemandDaniel S. HamermeshWorking paper seriesNBER4055Hamermesh,Daniel S.<1943- >ITUNINARICAUNIMARCBK990003201540403321PaperSESSESSpatial and Temporal Aggregation in the Dynamics of Labor Demand454539UNINAING01