In this paper we analyzed the link between companies’ performance, in terms of cash and income, and the labor productivity or management rates, in case of the companies from the energy sector listed on the Bucharest Stock Exchange. We focused on the energy sector because of the impact that its expansion has on the evolution of economies around the world and because of its dynamics in the sense of gradually shifting to the use of energy from renewable sources. We have used panel regression models to analyze the operating cash flow and the profitability rates and the determination of a causal or dependency relationship with labor productivity or management rates. The results of this study show a significant negative correlation between operating cash flows and the average duration of stock rotation, and no correlation between productivity and the operating cash flow. Instead, the average duration of stock turnover does not at all influence the profitability rates, and productivity is always significant for the return on assets, ie forthe return on equitywith a positive coefficient, as expected. The gap between the average duration of payment of suppliers and the average duration of receivables does not significantly influence neither the cash flow nor the rates of return.

Accounting, as a source of information, can recognize the economic transactions taking into account the time of payment or receipt thereof, as soon as they occur. There are two basic models of accounting: accrual basis and cash basis. In the cash accounting method the transactions are recorded only when cash is received or paid, shall not make the difference between the purchase of an asset and the payment of expenditure-both of which are considered "payments". Accrual accounting achieves this distinction, as recognized accounting transactions as soon as they occur. At the same time, accrual accounting method ensure accurate submission of transactions, but in order to determine cash flow is necessary to apply cash accounting method. In the cash basis, revenues and expenses are reported in the period in which the payment is made or the income is received, whereas, and on the basis of accrual-based accounting method, income is expressing the effect achieved with the effort called expenses. In order to research the opportunities of information provided by the two accounting models in this study-by applying a methodology of research subscribed to the constructivist current and based on a vast practical experiences in accounting activities that apply both models of accounting-we achieved a SWOT analysis with exposing the strengths and weaknesses of the two accounting models highlighting the convergence and divergence between them.

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This report presents three components of annual financial statements -Balance Sheet, Profit and Loss Statement and Statement of Cash Flows -in terms of national and international accounting regulations as a source of information and presentation of the company. Also, through the comparative analysis of annual financial statements of five airlines from different countries, how the format and their presentation influence or condition the relevance of accounting information.

The evolution of the business environment under the impact of globalization highlights the increase of social expectations through which it considers the success of the economic entity, measured and recognized in various forms of expression, based on the indicators of performance in terms of accounting information. The purpose of this chapter is to present the models of “cash accounting” and “accrual accounting” in terms of conceptual and empirical, comparative, right next to the main similarities and differences between them, and the usefulness of accounting information produced by them in the decision-making process by users of accounting information. The use of one or the other accounting model makes the accounting information different, respectively creating a different picture of financial performance, the parties concerned, in many cases, to request additional information. It is therefore of interest to be known options regarding the production of accounting information, indicators for measuring the financial performance of the entity.