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Precise valuation of the economic efficiency of risky investment projects in the mineral sector has a direct impact on the range of future investments. Since the mid-90s, a number of enterprises have also been giving increased attention to the valuation of managerial flexibility that cannot normally be estimated with classical discounted cash flow (DCF) analysis. This has been the result of a development in the real options analysis (ROA) and the simplification of its algorithms, most of which have been achieved through: Unfortunately, in most cases, models constructed on the abovementioned assumptions and modifications are not consistent with real projects. Some analysts recognize that project PVs might not follow the multiplicative process, which could have a direct impact on the project's value. In order to improve the MAD approach, the paper proposes a modified model where the multiplicative tree is replaced with an additive one. In addition, methods of 'additive volatility' calculation and 'dividend' adjustments were suggested. [ABSTRACT FROM AUTHOR]

Abstract: In this paper, we present a fuzzy linguistic ontology payoff method for the valuation of real options in the aerospace industry. Using real data, we apply the fuzzy linguistic approach to determine the credibility measures and the credibilistic expected value for the fuzzy real options valuation payoff method. This approach is used to obtain a multi-scenario modeling process by envisioning three scenarios: optimistic, most likely, and pessimistic. In addition, our experience with the scenario estimates is premised on results in an operating profit forecast. This forecast corresponds to a plausible outcome within the aerospace licensing maintenance, repair, and overhaul market and provides a decision-making tool. This tool can be utilized for determining real options for project valuation of aerospace licensing revenues based on unit costs, recurring costs, and quantity of units sold. [Copyright &y& Elsevier]

Climate change has in recent years gathered traction on the business, political and social agenda. From the business perspective, research has shown that climate change impacts on company value are uncertain, significant and strategically important. The challenge therefore is for the business community to apply financial valuation models that support the incorporation of the climate change impacts in strategic planning. However, the commonly used discounted cash flow techniques in capital budgeting are seen as failing to address the high levels of uncertainties inherent in climate change impacts. Real options thinking has been touted as having the potential to enhance understanding of these impacts via its direct handling of uncertainty, although not much research has been done to demonstrate this. Using an illustrative case study, this research presents an argument for introducing the real options approach, a new method for valuing options of future strategic action by companies in a setting that exhibits climate change impacts. The objective of this research is to contribute to the literature on strategic tools for addressing climate change and ultimately offer some management insights that can narrow the gap between finance theory and business practice. Copyright © 2009 John Wiley & Sons, Ltd and ERP Environment. [ABSTRACT FROM AUTHOR]