In this paper we propose to a stochastic volatility model based on daily returns and intra-daily high-low price range jointly.

本文引入了基于日内价格幅度与回报两个测度指标的随机波动率模型。

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Price is high (low).

价格高(低)。

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iStockphoto established the market for “microstock” photography by providing high quality stock photos at extremely low price points.

iStockphoto通过提供超低价但高质量的库存图片建立了一个“微库存图片”的市场。

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Mr. Cameron originally envisioned Guest Chef as a "bricks-and-mortar" version of a food truck with a limited menu of high-quality, low-price, grab-and-go foods.

WSJ: This Week, It's Italian, Next Week, Californian

Sports fans can turn on a high-price, low-performing player fast. (Is Tim Tebow still around?) Arts fans are somewhat more forgiving until an artist acquires money and fame.

WSJ: Culture City: Sports Fans Raise Their Voices

However, then and now, a more pragmatic minority viewpoint has held that while luxury goods may see a high-single to low-double digit drop in price for Chinese travelers for a brief moment, the brands most sought after by Chinese shoppers will simply respond to this greater demand by raising prices.

FORBES: Europe Beckons Chinese Shoppers