A determinant compose of all the second order partial derivatives, with the second order direct partials on the principal diagonal and the second order cross partials off the principal diagonal and which is used to second order condition of optimization is called.
O kun's Law states that for each percentage point by which the unemployment rate is above the natural rate real GNP is 3% below potential GNP, if real GNP is Rs. 3,800 billion with the actual level of unemployment at 6.05 and the natural rate of unemployment at 4.5% then according to Okun's law the GNP gap is.