Jan Jacobs

Jan Jacobs

Independent Researcher Business Economics
Jan Jacobs, an independent researcher in the field of business economics and author of The Profit Formula®: The Way to Easy Profit Measurement. I have more than 20 years of experience as a lecturer in business economics in higher day education and also in evening education for adults at SWOT (Stichting Wetenschappelijke Opleidingen Twente).

As a subject teacher, I have always been critical of what was in many Business Economics textbooks. I am the author of The Profit Formula®: The Way to Easy Profit Measurement, Budgetary Control: Scientific Perfection Business Economics, and Banking World Finance Credit Crises: Tips, Facts and Editorials about what happened and what needs to be done.

Jan Jacobs is an opinion columnist for the CEOWORLD magazine. You can follow him on LinkedIn, Amazon, and JBAdatabank.
Business Transformation

Jacobs Matrix Surpasses Mobley Matrix™

Both Mobley Matrix™ and Jacobs Matrix acknowledge the unity of the balance sheets at the start and end of the period under consideration, the income statement for the period, as well as the cash statement for the period. Everything has to fit perfectly. However the major difference between Mobley Matrix™...
Stats Gate

Measurement of Income Tax on Period Profit

Measurement of income tax on period profit, both tax to be paid (resulting from the fiscal accounts) and the one and only real tax burden in the internal documents (management accounting) as well as the tax costs in the published accounts (financial accounting), can all be calculated by means of...
CEO Insider

AC_DC and Breakeven Analysis

A single procedure suffices, just one and the same algorithm, both to elaborate various AC_DC calculations (AC: Absorption Costing or full costing. DC: Direct Costing or marginal costing or differential costing) and to perform breakeven analysis to the fullest extent. Breakeven analysis, under the assumption 'production volume is equal to...
CEO Insider

Proper Money Calculus

In (business) economics one often has to deal with amounts of money at different points in time. One cannot say much about main economical issues without proper money calculus. Using PPR (Period Percentage Rate, any period, any rate) i.e. Discrete Compound Interest to rank investments is often deceptive. Financial tools...
C-Suite Advisory


One can purchase an aeroplane for instance, at point in time zero, NOW, at the beginning of year 1. The purchase price is 150 million U.S.-dollar. The exchange rate today, U.S.-dollar related to the stated currency is 1 : 2, so 300 million money units are involved. The life-cycle of such...
CEO Insider

The Way to Easy Profit Measurement

See how you can solve the problem that is presented below. You need to have the scientifically correct P/L-account, with a view to managing a company. Who only knows unproven period profit and yield figures – at least for internal use – he / she is walking in the fog....
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