. In terms of profitability, we found that the cost of production increased substantially in both grains, driven primarily … by the rise in land rent and labor wage. But the wheat and rice sectors' profitability did not suffer significantly, as …

is a large burden on profitability. Overall, our evidence suggests that technical analysis could generate excess returns … and that the profitability of technical analysis cannot be explained by market inefficiency. Rather, the evidence is … consistent with that on the link between the efficiency and profitability of technical analysis. …

This paper investigated the structure of the market, efficiency and performance (profitability) of the general …