He has given a large number of conferences, throughout Spain, amongst which the following stand out:

• "La Inversión en las Empresas Turísticas" ("Investment in the Tourist Business"), at the Barcelona School of Tourism.
• "Problemática financiera de la Empresa Española" (Financial Problems of the Spanish Company"), at the Asociación Nacional de Diplomados en Organización Industrial y Administración de Empresas de Barcelona (National Association for the Industrial Organization and Business Management of Barcelona.
• "Rentabilidad de la inversión publicitaria" (Proftability of Investments in Advertising), at the Instituto Nacional de Publicidad (National Advertising Institute) (Published).
• "Modernas Técnicas en la Política de Renovación de Equipos Industriales", (Modern Techniques in the Policy for Renewall of Industrial Equipment), at Fomento del Trabajo Nacional de Barcelona (Institution for Work Promotion) , October 18, 1968 (Published).
• "La política de optimización de las inversiones en las empresas agrícolas y derivadas", (Policy for the optimization of investments in agricultural companies and similar) at the Chamber of Commerce and Industry of Lerida, April 11, 1969.
• "Modernas Técnicas en la Política Económica de Inversiones" (Modern Techniques in Economic Policy for Investments), at the Escuela de Altos Estudios Mercantiles, (College for Higher Commercial Studies) Palma de Mallorca, April 18, 1969.
• Diverse Conferences and Magisterial Lectures at the Escuela de Graduados Sociales (College of Social Graduates) of Barcelona, during the 1969/70 academic year.
• "La Inversión y renovación de instalaciones hoteleras", (Investment and renovation of hotel facilities), at the Ibiza Government Offices, March 11, 1970.
• "Participación in the VIII International Week of Social Studies, speaking on the subject "Dimensión económica de la planning. Criterios de Selección de Inversión". (Economic Dimension of planification. Investment Selection Criteria). (Published) Barcelona, 1971.
• "La política de inversiones en la empresa actual", (Investment policy in current business), at CEAM on November 21, 1973. (Published in CEAM. Industrial Economy Magazine Nº 122).
• "La inversión de la empresa bajo el influjo de la presión inflacionista", (Investment of companies under the influence of the pressure of inflation) at the Chamber of Commerce and Industry of Reus, May 11,1974.
• "El futuro de la pequeña y mediana empresa", (Future of medium and small sized companies), at Alicante November 14, 1978.
• "La decisión de invertir en la situación economica actual" (Decision to invest in the current economic situation), at the University College of Vigo, on November 4, 1982.
• "Fiscalidad, Inversión y Actividad Económica Actual" [Taxability, Investment and Current Economic Activity]. Speaking at the Business Administration School in Barcelona. Inauguration of the 1985-86 academic year, December 20, 1985.
• "Incidencia fiscal i financiera en l'estructura de costos de la promoció d'habitatges" (Fiscal and financial influence in the cost structure of housing promotion), at the 1st. International Symposium on Rehabilitation, Financing and Housing Market. Reporting, Communications, Conclusions. Organised by the Caixa d'Estalvis de Catalunya, in Barcelona, October 30-31 1985. (Published).
• Opening speech at the act of investing Professor Raymond Barre as Doctor Honoris Causa. Faculty of Economic Sciences at the University of Barcelona, May 15, 1987.
• "La inversión en Pintura". (Investment in Paintings). Business talks at the Circulo Ecuestre. Wednesday March 16 1988. Barcelona.
• "Metodología de los subconjuntos borrosos en la gestión de empresas". (Methodology of the fuzzy sets in business management). Conference given at the Faculty of Economic Sciences and Business Administration of the University of the Basque Country. Bilbao, April 18, 1988.
• "Las enseñanzas empresariales frente al reto de un futuro incierto". (Business teachings faced with the challenge of an uncertain future). University of Economic Science and Business of Bilbao). Bilbao, October 13 and 14, 1988.
• "Técnicas de gestión para la empresa del futuro". (Management techniques for the company of the future). Conference given at the Club de Empresarios Suizos (Swiss Businessmen's Club) Barcelona, March 7, 1989.
• "La estructura financiera de la empresa del futuro" (Financial structure of the company of the future). Faculty of Economic Science and Business School of the University of Málaga, April 6, 1989.
• Conference-Colloquium: "Economia i Societat, Horitzon 2000". (Economy and Society, on the Horizon of the year 2000), Reus College for Business Studies. Reus, May 11, 1989.
• "La toma de decisión sobre inversiones a través de técnicas dirigidas a la eficacia". (Taking decisions on investments through techniques directed towards efficiency). Conferences held during the course on "Gestión Económica local y cumplimiento de la ley de Haciendas Públicas", (Local economic management and compliance with the Public Treasury Law), at the College of Secretaries, Controllers and Local Administration Trustees of Barcelona) Barcelona, May 10 and 19, 1989.
• "La gestión financiera para las Instituciones del futuro" (Financial management for the institutions of the future). Conference given during the course on "Patrimonio, Gestión Contable y Tributaria de las Corporaciones Locales" (Patrimony, Accounting and Tax Management of Local Corporations), at the College of Secretaries, Controllers and Treasurers of the Province of Barcelona. Barcelona, December 1, 1989.
• "Técnicas operativas de gestión para el tratamiento de la incertidumbre". (Operational techniques for management and treatment of uncertainty). Conference held in conjunction with Professor Arnold Kaufmann, at the Economic Sciences and Business College of Vigo, May 10, 1990.
• "Nuevas Técnicas de Gestión para la Empresa del futuro" (New Management Technniques for the company of the future). Conference held in conjunction with Professor Arnold Kaufmann, at the Economic Sciences and Business College of Santiago de Compostela, May 11, 1990.
• "Preocupacions del nostre Empresari. Com farem front al futur". (Concerns of our Businessman. How to face the future). Conference held at the Auditorium of the Palacio de Ferias y Congresos de Reus, October 13, 1990.
• "Las lógicas multivalentes en la gestión financiera". (Multivalent logic in financial management). Conference held at the College of Business studies of the University of Leon. April 9, 1991.
• "La empresa y la creatividad" [Business and creativity]. Conference given at the Faculty of Economic and Business Science of the Basque Country, Bilbao, November 8, 1991.
• "Nuevas Técnicas de Gestión para la Empresa del siglo XXI" [New Management Techniques for business in the XXI century].Conference given at the Faculty of Economic and Business Science at the University of Granada, November 11, 1991.
• "Nuevas técnicas de Gestión en la incertidumbre". [New management techniques in uncertainty]. Conference given at the Faculty of Economic Science at the University of Santiago de Compostela, May 11 and 12, 1992.
• "A creatividade na nove empresa" [Creativity in a new business]. Conference given at the International Atlantic University during the IX Summer and Autumn Courses in Galicia, August 28, 1992.
• "Certeza e incertidumbre en la dirección estratégica". [Certainty and uncertainty in strategic management] Conference given at the Faculty of Economic and Business Science at the University of Vigo, March 15, 1993.
• "La creatividad en un mundo de incertidumbre". [Creativty in a world of uncertainty]. Conference given at the Faculty of Economic and Business Science at the University of Santiago de Compostela, June 16, 1993.
• “Dirección estratégica en la incertidumbre”. [ Strategic Management in uncertainty ]. Conference given in ending summer cours: Toery of Chaos in fuzzy sets, at the University of León, October 1, 1993.
• "La incertidumbre en la gestión empresarial". [Uncertainty in business management]. Conference given at the Barcelona School of Business Administration, November 26, 1993.
• "La creatividad en la moderna gestión de empresas". [Creativity in modern business management]. Conference given at the University of Santiago de Compostela, March 2, 1994.
• "La economía y gestión de empresas en el umbral del siglo XXI". [Business economy and management on the threshold of the XXI century]. Conference given at the University of Sevilla, May 4, 1994.
• "La creatividad en la gestión de empresas". [Creativity in business management]. Conference given during the Postgraduate courses on "Agrarian Co-operatives Management" and "Management of Co-operatives and PYMES [Small and Medium Size Companies] of the University of Santiago de Compostela, January 30, 1995.
• "L'economia al s.XXI". [Economy in the XXI century] Conference given at the Salvador Vilaseca Institute, Reus, October 2, 1995.
• "La creatividad, factor clave de un mundo inmerso en la incertidumbre". [Creativity, key factor in a world immersed in uncertainty]. Conference given at the University of Vigo. Vigo, March 1, 1996.
• "El nuevo paradigma de la teoría de la decisión". [The new paradigm of the theory of decision]. Conference given at the Faculty of Economic and Business Science at the University of Vigo. Vigo, May 7, 1996.
• Conference given on: "La economía de la incertidumbre en el umbral del siglo XXI". [Economy of uncertainty on the threshold of the XXI century]. Xunta de Galicia. Casa de Galicia in Madrid. November 20, 1996.
• "La gestión del Barça, algo más que un club". [The management of Barça, something more than a club]. Conference given at the Faculty of Economic and Business Science of Santiago de Compostela, January 17, 1997.
• "Os novos enfoques da teoría da decisión na incerteza". [New view points on the theory of decision in uncertainty]. Conference given at the University School of Business Studies at Lugo, February 6, 1997.
• "Técnicas Operativas para el tratamiento de la incertidumbre". [Operating techniques for treating uncertainty]. Conference given at the University of Salamanca, April 21, 1997.
• "El concepte d'afinitat en el nou paradigma de la teoría de la decisió". [The concept of affinity in the new paradigm of the theory of decision]. Conference given on the occasion of the reception as Doctor Honoris Causa by the Rovira i Virgili University (published). Tarragona, May 16, 1997.
• "La nueva teoría de la decisión. Modelos y algoritmos". [The new theory of decision. Models and algorithms]. Conference given at the commencement of the academic year 1997-98 at the School of Business Studies, Orense, October 14, 1997.
• "La ciència econòmica i les noves decisions en l'àmbit finacer". [Economic science and new decisions in the financial sphere]. Conference given at the Centre de Lectura, Reus, November 11, 1997.
• "La imprecisión en la economía: preguntas y respuestas posibles". [The lack of precision in economy: possible questions and answers]. Conference given at the Karl Mengen Chair. University of Gerona, December 2, 1997.
• "El análisis no numérico en el futuro de la Ciencia Económica". [Non-numerical analysis in the future of Economic Science]. Conference given at the recption as Doctor Honoris Causa invested by the University of Vigo. December 16, 1997.
• "La financiación de los clubes deportivos. Exito o fracaso". [Financing sports clubs. Success or failure]. Conference given at the Faculty of Economic Science at the University of the Basque Country. Bilbao, March 2, 1998.
• "El segle XXI: la incertesa en l'economia i la gestió d'empreses". [The XXI Century: uncertainty in business economy and management]. Conference given at the FEGI Foundation. Reus, June 8, 1998.
• "Los retos empresariales del siglo XXI". [Business challenges of the XXI century]. Conference given at the Business Administration School (E.A.E). Barcelona, June 18, 1998.
• "La creación de nuevas empresas en un contexto de incertidumbre". [The creation of new businesses in a context of uncertainty]. Commencement presentation at the Masters Course on Setting up Businesses. Vigo University, November 4, 1998.
• "Las finanzas de una sociedad deportiva. Mitos y realidades" [Finances of a sporting entity. Myths and realities]. Conference given at JURISA, Reus February 16, 1999.
• "La teoría de la incertidumbre en el futuro empresarial" [The theory of uncertainty in the business future]. Conference given at Gresol Empresarial, Reus February 22, 1999.
• "Gestión financiera de Asociaciones Deportivas" [Financial management of Sporting Associations]. Conference given at the Caixa Galicia Foundation, organised by the Celta Foundation of Vigo. Vigo March 5, 1999.
• "Las finances del grans Clubs de Futbol. Las finaces del F.C Barcelona" [Finances of large football clubs. Finances of Barcelona F.C.]. Conference given at the University of Barcelona included in the University Meeting on Sport. Barcelona, March 16, 1999.
• “Gènesi d´una teoria de la incertesa”. (Genesy of a teory of incertainty). Conference maked for the imposicion of the Big Cross of Alfonso X “El Sabio”. Foment del Treball Nacional, January, 20 2000.
• “La creativitat en la gestió de les empreses” (Creativity in business management). Conference maked in Economists College of Catalunya. Barcelona, February 24, 2000.
• “El balanç de les Societats Anònimes Esportives” (Balance of Anonime Sportives Societes) in Journey “Sport 2000- The football business”. Conferece given in Recoletos – Hotel Ritz, Madrid 26 April 2000.
• “La creativitat en les coopoeratives i pymes. Una necessitat d´avui, una urgència demà” (Creativity in cooperatives and Little and middle entrepises. A necessity of yesterday, a tomorrow urgency) Conference given in Economics Sciences and Business University of Santiago de Compostela, 18 May 2000.
• “L´esport. Impacte econòmic i social”. (Sport Economic impact and social). Initial Conference of the Summer Curs “Els Juliols” Gestió financera i comercial de les entitats esportives” (Financial management and comercial of the sportifs Entities”. Barcelona University, 17 July 2000.
• “El coneixement en la incertesa” (The knonowledge in incertainty). Introductory Conference maked for Academic Journey in remember Carles Cassú. Girona University. Girona, 12 january 2001.
• “L´empresa en l´economia de la incertesa” (The enterprise in incertainty economy). Conference maked for XII Journey Entrerprise University. Economy and Lawyer University. Lleida University, 7 march 2001.
• “Les finances en les entitats esportives”.(financial management of sporting entities). Conference maked for the II Seminari “Economy and Enterprises in XX century”. Business Study and Tourism University. Extremadura University. Cáceres, 30 march 2001.
• “Els clubs europeus de futbol com dinamitzadors de societats financeres” (European football clubs as promoters of financial companies). Conference at the Seminar on Innovation in the managment of sporting entities. Escuela Superior de Administración y Dirección de Empresas (ESADE) (Higher School of Business Adminstration and Management). Barcelona, May 7, 2001.
• “La nova economia en la societat de la incertesa”. (The New Economy in uncertainty society). Conference in Research Foundation. Grup Sagessa. Reus, 9 October, 2001.
• “La creatividad en la gestión bancaria ante la incertidumbre” (Creativity in banking management in uncertainty). Conference in inaguration of Cours in Management bank. University of Santiago de Compostela (Spain), 16 october, 2001.
• “Un nuevo paradigma en teoría de la decisión” (A new paradigm in decision theory). Conference given in inauguration of “Journey about the management in economics problems and business in fuzzy sub-sets: latest tendences”. University Miguel Hernández. Elche (Spain) 26 november, 2001.
• “Situación y perspectivas de la gestión en condiciones de incertidumbre” (Situation and perspectives in management in uncertainty). Conference given in FESIDE foundation. Bilbao (Spain) 18 January 2002.
• “La gestión financiera en un contexto de incertidumbre” (Financial management in uncertainty context). Conference given in Winter Courses,University of Valladolid (Spain) 13 march 2002.
• “Retos y soluciones a los problemas económicos en un contexto de incertidumbre” [ Troubles and solutions of economics problems in uncertain situation ]. Conference given in University of School of Business Adminstration and Management of Lugo. ( Spain ), may 20, 2002.
• “La reconstrucción del concepto de Fondo de Maniobra”. [ The reconstruction of the concept of action found ] Conference pronounced in University of Santiago de Compostela ( Spain ). Santiago de Compostela, 13 February 2003.
• “Sobre los orígenes y fundación de la Real Academia” [On the origins and foundation of the Royal Academy]. Speech made at the celebration of the sixtieth anniversary of the first Academic Council of the Royal Academy of Economic and Financial Sciences, Barcelona, April 10, 2003.
• “Los nuevos cauces de la investigación científica” [The new channels of scientific investigation]. Paper presented at the commemorative act of the X Anniversary of the University of Almeria. Faculty of Economic and Business Sciences. Almería November 19, 2003.
• “Economic-financial perspectives in complex social systems”. Lecture given on occasion of the “Master of Bank and Finances” inauguration. University of Santiago de Compostela. Santiago de Compostela (Spain) October, the 4th 2004.
• “The financial decisions in the new crossroads between the geometric conception and the evolutionist conception of the science” Talk given in University of Santiago de Compostela (Spain) November, the 23rd 2004.
• “The fuzzy mathematics in Economy and Business Management”. Lecture given in University of Las Palmas de Gran Canaria (Spain) March, the 2nd 2005.
• - “Society, science, technology and mathematics”. Talk given in University of La Laguna (Spain),
  March, the 3rd 2005.
  
• “Noves estratègies pels desenvolupaments financers en la incertesa” [New strategies for financial development in uncertainty]. Paper presented at the University of the Balearic Isles (Spain) April 15, 2005.
• “Una luz en el pensamiento económico encadenado” [A light in linked economic thought]. Paper presented at the University of the Basque Country, Bilbao (Spain). May 12 2005.
• “La matemática en la ciencia y la cultura contemporáneas” [Mathematics in contempòrary science and culture]. Paper give at the University of Laguna (Spain) November 30, 2005.
• “Teoría de los subconjuntos borrosos en la gestión deportiva” [The theory of fuzzy sub-sets in sports management]. Paper given at the Mapfre Guanarteme Foundation. Las Palmas de Gran Canaria, December 1, 2005.
  
• “Génesis de una teoría de la incertidumbre y su relación con la medicina y la tecnología” [Genesis of a theory of uncertainty and its relation with medicine and technology]. Paper given at the Puigvert Foundation. Barcelona March 17, 2006.
• “Nuevas perspectivas del pensamiento económico” [New prospects of economic thought]. Paper presented at the University of Santiago de Compostela. Santiago April 20 2006.
• “El futbol entre l’espectacle, l’economia i el sentiment”. [Football between a spectacle, economy and feeling] Conference given at the University of Valencia on November 7 2007.
• “El pensamiento científico ante la complejidad de las nuevas relaciones económicas”. [Scientific Thought faced with the complexity of new economic relations] Conference given at the ceremony of induction as “Honoris Causa” for the Rey Juan Carlos University. Madrid January 28, 2008.
• “La percepción científica de las nuevas realidades económicas”. [Scientific perception of the new economic relations] Conference given at the ceremony of induction as Doctor “Honoris Causa” for the University of Santiago. Santiago de Compostela (Spain), April 23 2008.