Exact(1)
According to Amemiya and MaCurdy [2], we further assume that λ i (μ i ) are uncorrelated with the right-hand-side variables in Eq. (1) [Eq. (2)], imposing a stricter requirement on the instruments than the original HT-estimator.
Similar(59)
Now Nassau is virtually broke, and its new administration is imposing a strict fiscal diet.
But in early 2013, the state tightened the law, eliminating several I.D. options and imposing a strict photo requirement.
But instead of imposing a strict timeline for dinner and assigning specific recipes weeks ahead, the innovative Thanksgiving C.E.O.
It puts a cap on government spending by imposing a strict schedule for eliminating the issuing of deficit-covering bonds by 2003.
With Major League Soccer imposing a strict salary cap, the club had to get creative when attracting their new signings to California.
Yet far from berating the Islamists for imposing a strict and alien form of Islam, some inhabitants actually offer guarded praise.
There is a coherent case for reverting to integrated central control, as there is also for imposing a strict purchaser/provider split.
In some areas, they have begun imposing a strict interpretation of Islamic law, even stoning to death a young Somali who said she had been raped.
Among them, he said, would be imposing a strict daily deadline for placing trades and penalties for selling fund shares shortly after buying them.
► In a Wednesday ScienceInsider, Kaiser reported that the National Institutes of Health's National Institute of General Medical Sciences NIGMSS) "is imposing a strict one-grant limit on scientists who already have plentiful no-strings support".
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