Research by Xuan Wang of HKUST reveals how large manufacturers can benefit from flexible production systems. In collaboration with US-based scholars, Wang shows that the right kind of flexibility design allows firms with multiple plants and products to adapt to demand uncertainties. By using the methods presented in the paper, such firms can dodge the traps ... 阅读更多

Matching supply with demand is an important way to secure profits for businesses in many industries. However, supply–demand mismatch is common, because decisions about supplies are often made before demand is fully characterized. To address this problem, HKUST’s Xuan Wang and collaborators modeled how resource flexibility can be leveraged to reduce supply ... 阅读更多

零售商经常面临一种困境，那就是需要权衡在下订单时产生的订购成本与相关的库存持有成本。在运营文献中，受到相当多关注的是联合补货问题（JRP），这是在各种情况下都会出现的一类零售商库存问题。例如，多个零售商通常会从单个供应商处下订单以节省订购成本。此外，多个零售商也可能共享同样的运输资源以减少开支。 在这种情况下，有两种类型的补货成本：每当下订单时收取的固定主要订购成本，以及每个零售商补充订单时零售商特定的次要订购成本。此外，零售商还会在一段时间内产生每件物品的库存持有成本。 为了解决这个问题，研究人员何斯迈，Jay Sethuraman，王譞和张家伟旨在研究是否存在一种库存策略，可以使整个订购系统的长期平均总成本降到最低。为此，他们考虑了二次幂（POT）政策， ... 阅读更多