Abstract: The development of Ivorian public debt in recent years has raised concerns. Is its current level capable of boosting the economy or, on the contrary, being at the source of a recession? This paper analyzes the effect of the level of indebtedness on economic growth in Côte d’Ivoire using the Threshold Autoregressive (TAR) model over the period 1970-2018. The results obtained in the short run shed light on the no relationship between public debt... More

Abstract: This article mainly studies the current status of the operation of the “burning money model” of Internet products, expounds and analyzes the disadvantages of this operating model, studies the practical effects brought by the “burning money model”, and explores the development direction of future Internet products. Domestic scholars have done a lot of research on the development of Internet products in the future and have achieved certain... More

Abstract: Since the birth of 5G, it has attracted much attention from all countries in the world. The development of 5G industry is particularly important for domestic economic development. 4G changes life, 5G changes society. 5G will not only accelerate the speed of people surfing the Internet, but also bring revolutionary changes to all aspects of social life, making people's lives, work and entertainment more convenient and diverse. The economic impact... More

Abstract: The screw threading produce is a important process course. The economics modeling is established in this paper so this process will be investigated. In this paper modeling of process is analyzed. The Q and cost decreases with the increasing quantity while the same turn as AC>AFC>MC is found. AC and AFC is main factors to affect quantity then MC do. It fits to concept of them well. The cost AC and AFC is higher upon L=4 than L=6 while MC is... More

Abstract: Economic vitality is an important indicator of regional competitiveness. The demand for talents and the vitality of enterprises in different regions are obvious to all and have practical significance. Therefore, it is necessary to establish a survey data model and conduct in-depth study on improving regional economic vitality from the perspective of policy.Based on a variety of forecasting methods, this paper analyzes the short-term and... More

Abstract: Overall level of export fluctuations of the export-oriented countries with rising export volume partly stem from the market failure caused by free choice of export enterprises, some government intervention thus may be necessary. To reduce the level of fluctuations of the export growth rates in these countries, this paper, taking the significant differences of the exports among various markets into account and thus using a new index named... More