Duarte Trigueiros

Professor of Business Studies

Research Fellow, ISTAR-IUL, Lisbon



Financial Analysis, Accounting-based prediction,

Bank regulation and risk management.


This is my page and here are today’s suggestions:


Regresso a Uaidora

Improving the effectiveness of accounting-based models

In Portuguese: publications, 

my profile and my blog  

Download draft papers and teaching notes

Ratio-induced distortions in regression formulations



Duarte graduated in Telecommunications (1970) and joined the research staff of the Portuguese Nuclear Authority. In 1977 he moved to Porto, where he worked for EDP, the Portuguese electricity holding company. In 1986, Duarte became a lecturer at the University Institute of Lisbon (ISCTE-IUL). He obtained his PhD (1991) from the University of East Anglia. In 1995, he was seconded to the University of Macau, where he remained until 2001. He then worked at the University of the Algarve until 2013, where he also taught at the ISCTE-IUL.

Now retired from the Algarve, Duarte is a researcher at ISTAR-IUL (University Institute of Lisbon). He also teaches at universities in Macau. At the undergraduate level, Duarte teaches accounting and finance. At the postgraduate level, he teaches MBA Finance, Econometrics and Risk Management. In addition to teaching, Duarte also supervises research in areas such as bank capital requirements and accounting-based modeling.



Ph.D., University of East Anglia (UEA), Accounting and Finance Department, School of Information Systems, “Neural Network Based Methods in the Extraction of Knowledge from Accounting and Financial Data”.

Telecommunications engineer (six years), Institute of High Technology Studies (IST, Lisbon), Magna Cum Laude.


Selected Teaching Experience:

Accounting Principles BS

Decision Support Systems, BS

Intermediate Accounting BS

Information Management Concepts & Apps.

Financial Statement Analysis, BS

Data Analysis, Data Mining, MSc

Management Accounting, BS

Financial Mmodeling MSc

Accounting Information Systems BS

Corporate Finance, MBA

Financial Econometrics MSc

Applied Econometrics BS

Duarte's detailed teaching experience is available here


A selection of Publications:

Trigueiros (2019) “Improving the effectiveness of predictors in accounting-based models”, J. Applied Accounting Research, Vol. 20, No. 2, pp. 207-226.

Trigueiros & Sam (2018) “Discovering the optimal set of ratios to use in accounting-based models”, Int. J. Society Systems Science, Vol.10, No.2, pp.110–131.

Vong & Trigueiros (2017), “Evidence on the effect of Claw-Back provisions on IPO share allocation and under-pricing in Hong Kong,” Applied Economics, 49:51, 5231-5244.

Guerreiro, Rita & Trigueiros (2015), “Attention, emotions and cause-related marketing effectiveness", European Journal of Marketing, Vol. 49, Issue. 11/12, pp. 1728-1750.

Guerreiro, Rita & Trigueiros (2016), "A Text Mining-Based Review of Cause-Related Marketing Literature”, Journal of Business Ethics (Springer), Vol. 139, pp. 111-128.

Vong & Trigueiros (2014). "Reversal in the relative performance of state- and legal per-son-owned companies during the Chinese split share structure reform" Applied Economics (Routledge) Vol. 46 no. 15, pp. 1728-1750.

Vong & Trigueiros (2010). “The short-run price performance of initial public offerings in Hong Kong: new evidenceGlobal Finance Journal (Elsevier), Vol. 21, pp. 253-261.

McLeay & Trigueiros (2002). “Proportionate growth and the theoretical foundations of financial ratios”, Abacus (Blackwell), Vol. 38, No. 3, pp. 297-316.

Trigueiros (1997). “Non-proportionality in ratios: an alternative approach”, The British Accounting Review (Academic Press), Vol. 29, No. 3, pp. 213-230.

Trigueiros & Taffler (1996). “Neural Networks and empirical research in Accounting”. Accounting and Business Research (The Institute of Chartered Accountants in England and Wales), Vol. 26, No. 4, pp. 347-355.

Trigueiros (1996). “A taxonomy of risk in large UK industrial firms”, Organisational Intelligence: AI in Organisational Design, Modelling and Control, Blanning & King editors (IEEE Computer Society Press, Los Alamitos) pp. 115-124.

Trigueiros (1995). “Accounting identities and the distribution of ratios”, The British Accounting Review (Academic Press), Vol. 27, No. 2, pp. 109-126.

Trigueiros (1994). “Incorporating complementary ratios in the analysis of financial statements”, Accounting, Management and Information Technologies (Pergamon Press, Tarrytown, NY) Vol. 4, No. 3, pp. 149-162.

The detailed list of Duarte's scientific publications is available here


Occupations: 1970-1986, non-academic; 1987 onwards, academic

Sep 2014 -

Visiting Professor, University of Macau, China

Sep 2013 -

Visiting Professor, University of Saint Joseph, Macau, China

Sep 2001 - Aug 2013

Faculty member, University of Algarve, Portugal

Jan 1995 - Aug 2001

Faculty member, University of Macau (seconded), China

Nov 1986 - Aug 2001

Faculty member, University Institute of Lisbon (ISCTE-IUL)

Jan 1985 - Oct 1986

Head of Computer Centre, University of Minho, Portugal

Jan 1982 - Dec 1984

Analyst at Portuguese Electricity Corporation (EDP)

Sep 1980 - Dec 1981

Quality / Product manager, FICOSA, (Teledinâmica) Portugal

Dec 1977 - Aug 1980

Controller at Fomento SCRL, Portugal

Nov 1970 - Nov 1977

Research staff at the Portuguese Nuclear Authority (LFEN)


Academic Positions Held

Dec 2005 - May 2013

Chair Professor of Business Studies, University of Algarve

Sep 2001 - Nov 2005

Associate professor, University of Algarve

Jan 1995 - Aug 2001

Invited associate professor, University of Macau

Nov 1986 - Dec 1994

Lecturer at University Institute of Lisbon (ISCTE-IUL)


Administrative experience

Sep 2001 - July 2009, Director, Business Area, Faculty of Economics, University of Algarve, Portugal.

Aug 2000 - Aug 2001, Convenor, BIS Group, Faculty of Business Administration, University of Macau.

Nov 1991 - Aug 1994, Convenor, BIS Group, ISCTE-IUL.


Fellowships, Funded projects, Scholarships and Awards

Research Fellow: University Institute of Lisbon, 2006 to the present.

Research Fellow: City University (London), 1994 - 1997

FDCT Project no 044/2014/A1 “New Methodologies for Efficient Detection of Fraud in Financial Statements”, 2015-2018.

Macau Foundation grant, 2016, 2015, 2014, 2001, 1999.

Graduate School of Business, University College Dublin, 1996.

Institute for Quantitative Investment Research, INQUIRE (UK), 1995.

Portuguese American Foundation 1993.

AESE (Lisbon) and ISCTE-IUL, 1989-1991

Best Paper in Neural Network Applications in Organisations mini track, 26th HICSS, Jan. 1993.

Best Paper in Neural Network Applications in Organisations mini track, 24th HICSS, Jan. 1991


Refereeing Experience

Accounting and Business Research, British Accounting Review, Int. Congress of Artificial Neural Networks (ICANN), Intelligent Systems in Accounting, Finance and Management, Portuguese Finance Network, and others.


Last updated: September 2023


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