In Brazil, capital budgeting practices among investment-related firms are less sophisticated compared to those in more developed nations like Spain.

This analysis delves into Brazil's heavy reliance on the Internal Rate of Return (IRR) coupled with a high level of randomness in determining the minimum acceptable return, while also allowing for risk assessment through scenario analysis (Lunkes et al., 2015).

The budgeting practices observed globally contrast significantly with those in Brazil, which are noted for their comprehensive support of Net Present Value (NPV), IRR, Payback Period (PP), and Real Options Valuation in evaluating investment opportunities

The limited application of advanced techniques (such as Monte Carlo, WACC, and NPV simulations).

The turbulent economic conditions impact risk evaluations (including government policies and uncertain financial market situations).

There has been a decline in structured investment manuals and standardized models (Lunkes et al., 2015).

In India, research reveals a strong preference for discounted cash flow methods, particularly the Net Present Value (NPV) and Internal Rate of Return (IRR) metrics for capital budgeting decisions.

Non-discounted methods, such as the Payback Period, were also noted but were less favored compared to NPV and IRR due to the latter’s sophistication in accounting for time value and risk (Verma et al., 2009).

Bangladesh indicate similar preferences for NPV and IRR as primary decision-making tools in capital budgeting, but with higher variability in execution among different industries.

The regulatory framework surrounding capital budgeting in India is shaped by the Indian Accounting Standards (Ind AS), which closely align with International Financial Reporting Standards (IFRS). This alignment fosters transparency and comparability for MNCs operating globally.

In Bangladesh, they used Bangladesh Accounting Standards (BAS): BAS is closely aligned with IFRS, issued by the International Accounting Standards Board (IASB) and- the standards established by the Islamic Financial Services Board (IFSB) and the Accounting and Auditing Organization for Islamic Financial Institutions (AAOIFI), particularly in connection with Islamic financial institutions.

Research indicates a mixed compliance trend, with studies citing challenges in integrating these international standards into local practices due to factors such as corporate governance issues (due to ownership structures and the influence of directors on auditing and reporting processes) and the specific regulatory environment of Islamic banks in Bangladesh (Rashid et al., 2021; Ullah et al., 2018).

The current regulatory environment both encourages alignment with international standards and presents unique challenges that necessitate improvements in governance structures, Shariah compliance frameworks, and sustainability reporting practices.

Ongoing reforms and adherence to a rigorous accounting ethic are imperative for enhancing the financial integrity of Bangladeshi institutions, particularly in the growing Islamic financial sector.

In Singapore, MNCs employ advanced capital budgeting techniques that are consistent with globally accepted practices.

There is a strong focus on thorough financial evaluations and strategic decision-making approaches, which results in the use of sophisticated capital budgeting methods, such as discounted cash flow (DCF) analysis and real options analysis.

These techniques support the optimization of capital allocation, ensuring that investments are consistent with long-term strategic objectives

Moreover, the incorporation of sustainability aspects into capital budgeting considerations has gained increasing significance, as MNCs frequently face stricter regulatory requirements related to corporate governance and responsible investment (Rumasukun, 2024).

In Malaysia are often less formalized.

Research shows that many companies do not rigorously apply comprehensive capital budgeting methods. Factors such as limited training in financial analysis and less focus on detailed financial reporting led to a more basic approach to capital budgeting.

Malaysian firms often depend on traditional techniques, like payback period calculations, which fall short of the comprehensive insights offered by more advanced methods such as discounted cash flow (DCF) (Ramzi et al., 2023).

Additionally, though some Malaysian companies are beginning to incorporate modern financial tools, a considerable number still base their capital budgeting decisions mainly on past performance instead of future-oriented.

Singapore's comprehensive regulatory framework prioritizes corporate governance and compliance, thereby enhancing the quality and dependability of financial statements.

Malaysia has engaged in the IFRS convergence process while still maintaining certain accounting standards that are customized to its local context.

• While Malaysian companies are encouraged to adopt IFRS, there exists the Malaysian Financial Reporting Standards (MFRS) framework, which is largely aligned with IFRS but includes modifications to address local needs.

• The shift to IFRS presents challenges for many multinational corporations in Malaysia, which frequently find it difficult to navigate the complexities of transitioning from local standards to IFRS (Shabri, 2023).

Sample bias :limits the generalizability and focuses solely on one example from each country examined.

Temporal Data: Out of the 215 findings gathered, none shed light on changes occurring after the pandemic (e.g., Brazilian port privatization reform 2022).

Geographic Diversification: Analyze different ports in Latin America (such as Argentina and Chile) alongside those in Europe.

Longitudinal Analysis: Investigate the advancements achieved by Brazil following its privatization from 2022 to the current date.

Comprehensive Integration of Behavioural Accounting: Performing an in depth analysis of how managerial biases influence the selection of various techniques.

Climate Risk Assessment: In accordance with IFRS S2, feasibility metrics (for instance, carbon-adjusted NPV) have been integrated.

exhibit a core reliance on established capital budgeting methods, various gaps exist in their implementation, particularly among smaller firms and within the context of governmental fiscal strategies.

The challenges presented by economic shocks, as well as the need for more robust frameworks for risk management and institutional support, underscore the necessity for continued improvements in capital budgeting practices in both countries.

Explore the theory-practice gap - is a well-documented phenomenon where theoretical frameworks of capital budgeting diverge from actual practices utilized by organizations.

This divergence can be attributed to several factors, including the complexity of financial models, organizational culture, and external pressures that influence decision-making.

A comprehensive approach can lead to a better understanding of how cultural factors and specific institutional settings influence capital budgeting practices especially in India and Bangladesh.

Integration of strategic planning with capital budgeting. Studies indicate that combining these two elements is critical for improving financial performance.

Given the distinct economic environments of India and Bangladesh, research could focus on how local firms can better align capital budget decisions with long-term strategic objectives. Such investigations may reveal insights into optimizing resource allocation and enhancing capital utilization efficiency.

Singapore's use of advanced capital budgeting techniques, such as discounted cash flow analysis and real options valuation, stands in contrast to the methods generally employed by MNCs in Malaysia.

By studying these disparities, practitioners can pinpoint best practices that may enhance the overall efficiency and effectiveness of capital budgeting processes in both regions.

Additionally, boosting awareness about the importance of effective capital budgeting can promote improved financial management among Malaysian companies, resulting in better business outcomes.

Many firms in Malaysia encounter difficulties in developing efficient financial management systems, and comparative research can foster a culture of learning and adaptation by highlighting successful strategies adopted by their counterparts in Singapore (Ramzi et al., 2023)

Discrepancies in economic systems and levels of market development may restrict the ability to draw direct comparisons.

• Singapore's advanced financial sector and full adoption of International Financial Reporting Standards (IFRS) provide a more conducive environment for sophisticated capital budgeting techniques

• Compared to Malaysia's hybrid model, which continues to incorporate local reporting standards.

• Additionally, methodological limitations pose difficulties for comparative research. The accessibility and dependability of data are essential; however, differences in reporting methods can obstruct effective data gathering.

Differences in corporate governance practices and regulatory environments between the two nations might affect capital budgeting methodologies, presenting difficulties in establishing causal relationships within the findings.

Focusing on certain sectors or industries may not provide a full representation of the broader trends in capital budgeting practices across various sectors in both countries.

• The inclination to restrict comparisons to larger companies or particular industries might overlook critical perspectives from SMEs or emerging sectors, which are vital for both economies.

• As observed in venture capital studies, disparities in capital market maturity may also curtail the broader applicability of the findings (Masri, 2021)

Absence of extensive empirical research concentrating on the practical application of capital budgeting methods across various sectors in both Malaysia and Singapore

• Although some studies examine financial management practices in general, they do not adequately investigate how sector-specific factors might influence capital budgeting decisions or their efficacy.

• This absence of sector-specific analysis can obscure crucial insights, especially since industries may face unique regulatory and economic pressures that impact capital budgeting processes.

Insufficient focus on the cultural and institutional frameworks that shape financial practices in both countries.

• Although some research addresses wider economic impacts, in-depth analyses of how cultural perceptions of finance and decision-making differ between Malaysia and Singapore are often overlooked.

• Cultural factors can significantly impact how organizations adopt and adapt capital budgeting practices, ultimately influencing the consistency of comparisons between countries.

Cultural Influences:

• explore the impact of cultural factors on financial decision-making and capital budgeting methods.

• Enhancing the understanding of how cultural perspectives shape investment decisions can provide more detailed insights into the differences seen between Malaysia and Singapore, thereby improving the understanding of organizational behavior in financial situations.

The Role of Technology in Capital Budgeting:

• Investigating the effects of technology and innovation on capital budgeting approaches offers a significant avenue for future studies.

• Analyzing the impact of digital instruments and analytics on decision-making in both countries can provide insights into the progression of capital budgeting practices and their effectiveness across different organizational forms.

Integration of Risk Management Practices:

• Investigating how multinational corporations in Malaysia and Singapore integrate risk management into their capital budgeting processes can provide significant insights.

• A focused examination of tax risk management practices and their incorporation with capital budgeting might further elucidate how firms navigate intricate financial landscapes.

Developed versus Developing Economies:

• Advanced economies such as Spain and Singapore utilize complex methodologies including WACC, NPV, and real options valuation, bolstered by strong regulatory frameworks and stable financial markets.

• In contrast, developing countries like Brazil and Bangladesh frequently depend on more straightforward techniques such as IRR and payback periods, which are impeded by economic instability, bureaucratic inefficiencies, and insufficient financial infrastructure.

Regulatory and Institutional Influence:

• The implementation of international standards (for instance, IFRS) and robust governance frameworks, exemplified by Singapore and India, improves transparency and bolsters investor confidence.

• On the other hand, inconsistent regulatory compliance and institutional deficiencies in nations like Bangladesh and Malaysia create obstacles for multinational corporations in terms of capital allocation and risk management

Sustainability and Technology:

• The contemporary practice of capital budgeting increasingly incorporates sustainability factors (such as carbon-adjusted NPV) and cutting-edge technologies (like AI-driven analytics).

• While Singapore is at the forefront in these domains, other countries are slowly acknowledging their significance, as evidenced by India's implementation of Monte Carlo simulations and Malaysia's emerging initiatives in sustainable finance.

Cultural and Behavioral Factors:

• Managerial biases and cultural perspectives on uncertainty play a crucial role in shaping capital budgeting choices.

• For example, Brazil's pronounced uncertainty avoidance is associated with a preference for more straightforward metrics, while Spain's organized methodology indicates a greater comfort with ambiguity.

Policy and Future Directions:

• Suggested improvements involve bolstering regulatory enforcement, enhancing training in sophisticated methodologies, and utilizing technology to improve data precision and decision-making processes.

• Future investigations should focus on industry-specific practices, cultural impacts, and the incorporation of climate-related risks into capital budgeting strategies.