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Working Paper
On Commercial Construction Activity's Long and Variable Lags
We use microdata on the phases of commercial construction projects to document three facts regarding time-to-plan lags: (1) plan times are long--about 1.5 years on average--and highly variable, (2) roughly one-third of projects are abandoned in planning, (3) property price appreciation reduces the likelihood of abandonment. We construct a model with endogenous planning starts and abandonment that matches these facts. Endogenous abandonment makes short-term building supply more elastic, as price shocks immediately affect the exercise of construction options rather than just planning starts. ...