Table 3

Probit and Censored Quantile Estimates of Difference-In-Differences Model

	Probit: Halibut/wk = 0	Q40	Q50	Q60	Q70	Q80	Q90
Year = 1993	−0.09 (−0.83)	1.42 (1.01)	1.14 (1.04)	1.59 (1.50)	2.28 (1.74)^*	3.27 (1.73)^*	1.19 (0.44)
Year = 1994	0.22 (2.06)^**	2.55 (1.80)^*	1.04 (0.88)	1.01 (0.95)	2.71 (2.12)^**	2.64 (1.59)	3.07 (1.00)
Year = 1995	0.25 (1.42)	0.07 (0.02)	2.43 (0.87)	2.38 (0.89)	3.25 (0.86)	9.80 (1.88)^*	12.47 (1.30)
Year = 1996	−0.14 (−0.71)	−1.72 (−0.66)	0.31 (0.13)	3.62 (1.53)	4.46 (1.42)	7.08 (1.96)^**	9.62 (1.18)
Year = 1997	−0.42 (−2.41)^**	1.82 (0.98)	2.34 (1.57)	2.57 (1.52)	3.38 (1.87)^*	3.03 (1.25)	2.26 (0.43)
Year = 1998	−0.30 (−1.69)^*	0.30 (0.11)	2.83 (1.30)	2.90 (1.80)^*	3.83 (2.07)^**	1.91 (0.78)	−0.99 (−0.23)
Year = 1999	−1.12 (−4.13)^***	−1.00 (−0.24)	2.30 (0.31)	15.38 (2.21)^**	18.51 (3.37)^***	22.06 (4.45)^***	22.54 (3.02)^***
Year = 2000	−0.30 (−1.58)	1.53 (0.63)	4.99 (2.51)^**	3.81 (2.28)^**	3.89 (1.80)^*	2.05 (0.83)	−0.22 (−0.05)
Ho/vessel length	−0.04 (−0.69)	0.00 (0.00)	0.26 (0.44)	0.10 (0.17)	0.17 (0.26)	−1.14 (−1.33)	−1.37 (−1.10)
Month = May	−0.27 (−2.23)^**	−0.62 (−0.41)	−1.95 (−1.14)	−4.68 (−2.03)^**	−8.10 (−3.10)^***	−12.57 (−3.53)^***	−22.51 (−4.83)^***
Month = June	−0.82 (−5.40)^***	3.47 (2.09)^**	2.08 (1.21)	0.37 (0.16)	−3.33 (−1.22)	−7.83 (−1.91)^*	−15.64 (−3.36)^***
Month = July	−0.38 (−2.61)^***	−0.78 (−0.27)	−1.05 (−0.60)	−3.38 (−1.56)	−7.62 (−3.10)^***	−11.20 (−2.77)^***	−20.72 (−4.18)^***
Month = August	0.14 (1.33)	−6.24 (−1.87)^*	−5.04 (−2.41)^**	−7.97 (−3.62)^***	−13.89 (−5.76)^***	−20.19 (−5.99)^***	−31.47 (−8.03)^***
Month = September	0.61 (5.76)^***	−5.92 (−2.21)^**	−7.04 (−3.93)^***	−9.84 (−4.69)^***	−16.50 (−6.47)^***	−24.83 (−7.69)^***	−37.03 (−9.77)^***
Month = October	0.04 (0.35)	−4.16 (−1.59)	−3.86 (−2.37)^**	−6.78 (−3.15)^***	−12.67 (−5.32)^***	−19.85 (−5.89)^***	−29.86 (−7.11)^***
Month = November	−0.74 (−4.67)^***	1.94 (1.19)	−0.30 (−0.17)	−2.13 (−0.92)	−6.83 (−2.58)^***	−12.97 (−3.33)^***	−21.54 (−5.22)^***
Sea State ^* 1995	−0.36 (−1.76)^*	5.64 (1.12)	−0.76 (−0.25)	0.34 (0.11)	1.66 (0.40)	−2.82 (−0.54)	−6.16 (−0.59)
Sea State ^* 1996	−0.24 (−1.05)	7.26 (2.01)^**	6.05 (2.06)^**	3.70 (1.29)	5.47 (1.50)	4.96 (1.11)	3.76 (0.41)
Sea State ^* 1997	−0.01 (−0.04)	3.77 (1.66)^*	1.10 (0.65)	0.50 (0.29)	1.53 (0.73)	3.02 (1.02)	0.23 (0.04)
Sea State ^* 1998	−1.17 (−4.46)^***	13.78 (3.12)^***	8.17 (3.12)^***	9.35 (4.72)^***	11.60 (5.35)^***	14.35 (4.32)^***	18.54 (3.23)^***
Sea State ^* 1999	−0.29 (−0.84)	14.45 (2.61)^***	10.68 (1.40)	0.71 (0.10)	3.16 (0.52)	8.57 (1.30)	15.56 (1.49)
Sea State ^* 2000	−0.89 (−3.57)^***	13.40 (2.92)^***	9.38 (2.67)^***	16.33 (6.33)^***	18.97 (6.22)^***	26.68 (6.37)^***	32.58 (5.15)^***
Constant	0.05 (0.06)	0.98 (0.10)	0.95 (0.11)	7.47 (0.86)	14.12 (1.41)	46.46 (3.66)^***	74.36 (3.95)^***
Sample size	2,784	2,784	2,784	2,784	2,784	2,784	2,784
Final sample size	n/a	1,809	2,436	2,621	2,662	2,717	2,782
Pseudo-R²	0.178	0.080	0.089	0.113	0.134	0.157	0.186

Note: z-Statistics in parentheses (based on bootstrapped standard errors for quantile regressions). n/a, not applicable.
↵* Significant at 10%;
↵** significant at 5%;
↵*** significant at 1%.