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The present study aims to examine the impact of different types of income (oil and tax) and government expenditure (current and construction) shocks on inflation under varying inflationary conditions. To achieve this objective, quarterly data from the Iranian economy from 1369 to 1399 was utilized, and a regime switching structural vector autoregression model based on stochastic volatility was employed to analyze. In this approach, inflation was considered as a regime variable, and a threshold value of 21% was estimated for each season. Subsequently, regime switching impulse response functions were employed to explore the effects of shocks in oil and tax income, current and construction expenditures, exchange rate, liquidity, and GDP growth on inflation. The findings of the STVAR-SV model employed in this study demonstrated that the impact of shocks in government revenues (oil and tax) and expenditures (current and construction) on inflation is much stronger in the high inflation regime (inflation above 21% in each season) compared to the low inflation regime (inflation below 21% in each season). Notably, the effect of shocks in government construction expenditures and oil revenues is significant solely in the high inflation regime, while being nonsignificant in the low inflation regime. Conversely, shocks in current government expenditures and tax revenues have a positive and significant effect on inflation in both inflationary regimes.

Objective: Deciding on the amount of capital expenditure is one of the most critical managers' decisions in companies. Information published in financial statements (mainly accounting profit) and market-based information (primarily the market value of companies) have always been considered two complementary sources of information that influence economic decisions from the perspective of users (including managers). However, the quality of companies' internal information can strengthen or weaken this influence. In other words, the quality of companies' internal environment is expected to influence both the information in financial statements, which is the product of such an environment and the market value of companies, which responds to this product. The better the accounting information quality, the more efficient investment decisions will be. In this study, the term "internal information quality" refers to the quality of the information products produced in the company's internal environment, of which accounting information is only one. According to the "internal information quality" hypothesis, this paper examines the modifying role that the company's internal information quality can play in the impact of the company's value and accounting profit on capital expenditures. Method: Two variables, including non-restatement and corporate transparency, have been selected as indicators of the quality of internal information of the company. Then, four hypotheses were compiled, and a sample consisting of 181 Tehran stock exchange listed companies in the period 2011 to 2019 was created. The research hypotheses were tested using multiple regression in Eviews 12 applying the combined data method. In addition, descriptive statistics and correlation analysis were used to analyze the data before testing the hypothesis. In this study, Limer F and Hausman tests were used to determine the nature of the combined data. Brush-Godfrey and Wiggins and poi's (2003) tests were used to determine autocorrelation and heteroscedasticity, respectively. In addition, the VIF statistic was used to test for multicollinearity. We applied the GLS method to reduce heteroskedasticity and added a first-level autoregressive variable ((AR (1)) to control for autocorrelation. To ensure that the results of the research hypotheses did not depend on the measurement method for the variable "quality of internal information," these hypotheses were retested in this study using the variable "corporate transparency" as an alternative indicator to measure the quality of internal information. Results: The results revealed that firm value and accounting profit have a positive effect on capital expenditures. This is because managers consider the market value of the company as a signal for their investment decisions, and the profitability of these decisions (capital expenditures) is reflected in the accounting profit. It was also found that the "internal information quality" hypothesis does not fit companies operating in Iran. The quality of companies' internal information does not affect the relationship between accounting profit and capital expenditure. No reliable results were found about the internal information quality effect on the relationship between firm value and capital expenditures. The results of this research show that the corporate transparency index is more consistent with the theoretical basis of this research and may be a more appropriate index to measure the quality of internal information than compared to non-restatement. Conclusion: Managers of companies operating in Iran in deciding on capital expenditures do not pay much attention to the internal information environment of the company and the information produced by it. This result is probably due to the fact that the quality of internal information is not reliable from the managers' point of view. The provision of this information is associated with high costs for the company. This means that the cost of producing information within the company outweighs the benefits. If managers focus their efforts on improving and enhancing the internal information environment, the information generated by this environment will become a powerful source of information for investment decisions and the benefits will outweigh the costs. Also, to measure companies' internal information quality, the corporate transparency variable is a more reliable indicator than the non-restatement of financial statements. Accounting profit is probably not the most influential product of companies' internal information environment. The results of this study can be helpful for regulatory bodies such as the Securities and Exchange Commission and validation accreditation bodies such as the auditing organization and the Society of Certified Public Accountants. Future researchers are also suggested to design and conduct research that can extract the essential products of companies' internal information environment from the managers' perspective and then use these products as a proxy for accounting profit in this research so that the results can be compared with the current study. [ABSTRACT FROM AUTHOR]

This study investigates the trend of compliance of government budget expenses with the approved annual budget bill, regarding interperiod equity of allocating earnings from sale of oil and its derivatives during the budget financial years in the Iranian Islamic government, within accounting context. To proceed, using the government statements of earnings and expenses of annual budget and the variance analysis reports, the study examined the compliance trend of allocating budget resources in the years 1357-1391. The findings from statistical tests of hypotheses indicated that within the above mentioned period, the interperiod equity condition for allocating budget earnings has not been satisfied. Also, the findings showed that the unmet condition of interperiod equity was at the most sever state in the years 1381 to 1386.

The effectiveness of the current and capital expenditures of government are different to achieve the economic optimal growth rate in Iran. In this paper at first, the aggregate consumption was classified by income groups. Then, the effects of current and capital expenditures of government on the economic growth rate were estimated by a system of simultaneous equations.The results show that the capital expenditures effect is more than current expenditures on economic growth rate.Separation of the consumption function in terms of income groups was useful to calculate income multipliers. In this situation, the results also show that the impact of current and capital expenditures on consumption of different income groups are not the same.