Frank, Robert H. How long is a spell of unemployment? (English) Zbl 0376.90028 Econometrica 46, 285-302 (1978). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page MSC: 91B60 Trade models × Cite Format Result Cite Review PDF Full Text: DOI