濮德培所描述的甘肃市场模式与施坚雅G。

Perdue's delineation of marketing patterns in Gansu coincides with g.

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她像濮德培一样用衰退分析来衡量一定时期、周期性的和自然灾害的有关价格影响。

Like Perdue, she USES regression analysis to try to measure the relative impact on prices of the passage of time, seasonality, and natural catastrophes.

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简而言之，王国斌和濮德培的研究发现是可靠的，因为“价格数据通常确定基于定性信息的出口贸易规模。”

In short, Wong and Perdue's findings are reassuring because the "price data generally confirm the Outlines of the export trade based on qualitative information."

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