In the solving process of the allocation problem with the Hungarian method, it is necessary to determine the maximum allocation of zero elements of the transformed coefficient matrix.

用匈牙利算法求解分配问题过程中，需要确定已变换后的系数矩阵中0元素的最大分配。

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The distribution of wealth between labor and management is a zero-sum game. The increase in wages of labor means the decrease in the allocation proportion of capital.

财富在劳资之间的分配是一个零和博弈，劳动者收入提高了，资本的分配比例就必然会减少。

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For any portfolio that includes an allocation to gold, there is a better portfolio, one with a higher expected return or a lower volatility that has a zero allocation to gold.

FORBES: The Optimum Asset Allocation to Gold Is Always Zero

"It's a common assumption that the average individual investor has zero allocation to commodities, " says Matthew Carvalho, director of investment research at Loring Ward, a financial-advisory firm in San Jose, Calif.

WSJ: The Intelligent Investor: Why Your Stocks Are Acting Like Commodities

The correct asset allocation to dollars is also zero.

FORBES: The Optimum Asset Allocation to Gold Is Always Zero