Kolkmann, Bernd, and Ingrid Janssen. "Unprofitable tenants: the usual suspects? A case study of modelling tenant profitability." In 24th Annual European Real Estate Society Conference. ERES: Conference. Delft, Netherlands, 2017.

Janssen, Ingrid, Wouter Dijkman, Tim Op Heij, Rick Willems, and Aloys Borgers. "Atmospheric Characteristics Influencing Consumer's Appreciation of Dutch Inner City Shopping Areas." In 20th Annual European Real Estate Society Conference. ERES: Conference. Vienna, Austria, 2013.

Janssen, Ingrid. "Doctoral Education at TiasNimbas." In 8th ERES EDUCATION SEMINAR. ERES: Education Seminar. Espoo, Finland: Design Factory, 2012.

Janssen, Ingrid, Jan Martijn Buruma, Jos J. A. M. Smeets, and François Viruly. "The incorporation of small retailers by shopping mall owners: a comparison between a mature (Dutch) and an emerging (South African) market." In 19th Annual European Real Estate Society Conference. ERES: Conference. Edinburgh, Scotland, 2012.

Wijnen, Geri, Astrid Kemperman, and Ingrid Janssen. "Shopping behaviour and attribute evaluation of expatriates - a cross-cultural study." In 18th Annual European Real Estate Society Conference. ERES: Conference. Eindhoven, the Netherlands, 2011.

Borgers, Aloys, and Ingrid Janssen. "Shopping Behaviour at Dutch Furniture Strips." In 18th Annual European Real Estate Society Conference. ERES: Conference. Eindhoven, the Netherlands, 2011.

Janssen, Ingrid, Borgers Aloys, and Harry J. P. Timmermans. "MEASURING ADAPTIVE BEHAVIOUR IN A RETAIL PLANNING CONTEXT; A MULTI-STAKEHOLDER CONJOINT MEASUREMENT EXPERIMENT." In 17th Annual European Real Estate Society Conference. ERES: Conference. Milan, Italy, 2010.

Janssen, Ingrid. "Power Positions in Out-of-Town Retail Development Decisions." In 16th Annual European Real Estate Society Conference. ERES: Conference. Stockholm, Sweden, 2009.

Janssen, Ingrid. "Retail Property. Characteristic Influencing Performance." In 11th European Real Estate Society Conference. ERES: Conference. Milano, Italy, 2004.