Abstract
Since the opening of the gambling rights, Macau's economic development has achieved remarkable results. The rapid development of the gaming industry has led to the growth of fiscal revenue. In this paper, a linear regression model, a grey econometric hybrid model and an ARIMA model are constructed to predict, and then three models are given different weights to construct a comprehensive forecasting model to achieve higher prediction accuracy. Through quantitative analysis, we deeply analyzed the impact of gambling tax on public finance, predicted the trend of future public expenditure in Macau, measured the public income needed to meet the expenditure, and predicted the future development scale of the gaming industry from the perspective of public finance.
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