EBITDA stands for Earnings Before Interest, Taxes, Depreciation, and Amortisation. It's a widely used financial metric that provides a measure of a company's operating performance, excluding the effects of financing, accounting, and tax decisions. By focusing on earnings from core operations, EBITDA offers a clearer view of a company’s profitability and cash-generating potential.

Why is EBITDA Useful?

1. Standardisation for Comparisons:
   It allows analysts and investors to compare companies across industries or regions without accounting for differences in financing (interest), tax environments, and accounting practices (depreciation and amortisation).
2. Focus on Operations:
   Excluding non-operational expenses like interest or tax, EBITDA highlights the efficiency and profitability of the core business.
3. Cash Flow Proxy:
   Although not an exact measure of cash flow, EBITDA approximates the cash a business generates before paying off capital expenses, taxes, or interest.

Advantages of EBITDA

1. Simplifies Analysis:
   EBITDA ignores factors like tax policies or depreciation schedules that vary by country or industry, making it easier to compare profitability.
2. Evaluating Acquisition Targets:
   Often used in mergers and acquisitions to assess a company’s ability to generate cash and service debt.
3. Non-Cash Adjustments:
   It eliminates the impact of non-cash charges (depreciation and amortisation), focusing on actual operational results.

Limitations of EBITDA

1. Excludes Key Costs:
   By ignoring interest, taxes, and capital expenses, EBITDA can give an inflated sense of profitability, especially for capital-intensive businesses.
2. Not a Cash Flow Substitute:
   While it’s a useful proxy, EBITDA doesn't reflect changes in working capital, capital expenditures, or actual cash flows.
3. Potential for Misuse:
   Some companies may over emphasise EBITDA to mask issues like high debt levels or significant tax liabilities.