3 Distributed lag non-linear models (DLNM’s) 3 3.1 The issue . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 3.2 The concept of basis . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 3.3 Delayed effect: DLM’s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 3.4 The extension to DLNM’s . . . . . . ....

Sales forecasting at the UPC level is important for retailers to manage inventory. In this paper, we propose more effective methods to forecast retail UPC sales by incorporating competitive information including prices and promotions. The impact of these competitive marketing activities on the sales of the focal product has been extensively documented. However, competitive information has been ...

This paper examines the asymmetric effect of Bitcoin on three altcoins, namely Ethereum (ETH), Ripple (XRP) and Litecoin (LTC) by using Nonlinear Autoregressive Distributed Lag (NARDL) model for period July 2015 to March 2019. We provide evidence impact altcoins both in short-run long-run. In short-run, a decrease price has greater than an increase prices altcoins. asymmetry is more frequent af...