When a firm charges a high price initially to recoup R&D expenses and then gradually lowers price over time, it is using:

Explanation

* Price Skimming sets high prices early on to capture high-margin revenue from less price-sensitive segments before lowering prices.
* Predatory pricing sets artificially low prices to drive competitors out of business (illegal in many jurisdictions).
* Loss Leader pricing sells a product below cost to attract traffic into retail stores.