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NorSistemas MARKETING SYSTEMS: DATA MINING IN BANKING AND INSURANCE SEUGI 15 Madrid May, 1997 Several forces are shaping a new competitive environment ... FORCES FOR CHANGE IN BANKING AND INSURANCE y Deregulation and opening to new competitors y Globalization of markets y Shrinkage of margins MARKET REGULATION CUSTOMER S y Increasing demands and financial culture COMPETITOR S TECHNOLOGY y Different tipologies y Increasing competition among traditional competitors y Appearance of new competitors y Influence in the competitive environment NorSistemas MARKETING SYSTEMS Page 2 … where new key strategic factors are becoming important KEY STRATEGIC FACTORS: MARKETING FINANCE MARKETING Products y Personalized products in response to the real needs of customers. y Increasing demands for additional services. y Segmentation of products. Prices y Personalized and competitive prices. y Discount policy. y Segmentation of prices. HUMAN Distribution y New channels for distribution and commercialization. y Specialization in commercial activities. y Segmentation of channels. RESOURCE S OPERATIONS Promotion y Effectiveness in commercial promotion. y Personalization of promotional activities. Customer Service y Closeness to the customer. y Quality of service. y Customer loyalty. NorSistemas MARKETING SYSTEMS Page 3 The analysis of customer-related information is the answer to these business needs MARKETING SYSTEMS Products Commercialization MARKETING SYSTEM Prices Customer service and promotion Customer-related information provides competitive advantage. In all the industries, companies are gathering, storing and analyzing customer-related information for decission making in Marketing. Technology makes possible Marketing Systems: y Collection and management of large volumen of data (Data Warehousing Technologies). y Data analysis (Data Mining Techniques). NorSistemas MARKETING SYSTEMS Page 4 Data Warehousing solutions enable the management of large volume of data DATA WAREHOUSE ADMINISTRATION Internal DB EXTRACTION TRANSFORMATION LOADING DATA WAREHOUSE EXPLOITATION External DB Data Warehouse management y Extracting data (access to internal and external sources of data). y Transforming data (integration, screening, summarization, etc.). y Warehouse loading (update of warehouse data). Data Warehouse exploitation NorSistemas MARKETING SYSTEMS Page 5 Data Mining techniques make possible to model relationships in customer-related data DATA WAREHOUSE EXPLOTATION Internal DB EXTRACTION TRANSFORMATION LOADING DATA WAREHOUSE EXPLOITATION External DB Explotation: analysis of the information in the Data Warehouse. Three different methods exist: y Q&R: access, manipulation and report generation. y OLAP: it answers business questions but it isn’t possible to reach conclusions about relationships and trends in data. y DATA MINING: advanced methods to modelling relationships in data with a determined business purpose. NorSistemas MARKETING SYSTEMS Page 6 These techniques are giving support to Marketing processes ... MARKETING PROCESSES Marketing Research (Data Mining) Marketing DB (Data Warehouse) Commercial activities Control NorSistemas Execution Planning MARKETING SYSTEMS Page 7 These techiques are giving support to Marketing processes ... MARKETING PROCESSES Marketing Research (Data Mining) Marketing DB (Data Warehouse) Commercial activities Control Execution Planning Marketing Research y Customer analysis (market segmentation, market research, customer attrition analysis, prospect analysis, bad debt, customer potential, …). y Product analysis (portfolio analysis, complementary and substitutive products, definition of new products, demand forecasting, etc.). y Price analysis (policy of prices and discounts, pricing simulation, etc.). y Distribution channels (distribution policy, coordination of channels, etc.). y Customer service and promotion (analysis and simulation of promotional campaings, new products launching, cross-selling, loyalty programs, quality of service, etc.). NorSistemas MARKETING SYSTEMS Page 8 These techiques are giving support to Marketing processes ... MARKETING PROCESSES Marketing Research (Data Mining) Marketing DB (Data Warehouse) Commercial activities Control Execution Planning y Commercial activities y Scheduling, execution and follow-up of promotional campaigns. y Management of alarms and customer status indicators. y Commercial diary. y Support to distribution channels with qualified information. NorSistemas MARKETING SYSTEMS Page 9 … implemented in Marketing systems that support Marketing research and commercial activities FUNCTIONAL SCOPE OF A MARKETING SYSTEM Contact Mgmt. Market research Customer analysis Product analysis Price analysis Distribution channels Commercial promotion Promotional Campaigns Modelling and simulation Alarm Mgmt Commercial Diary Workflow Query administrator Marketing DB Extraction, transformation and loading Other internal DB NorSistemas Trasaccional DB External DB MARKETING SYSTEMS Page 10 Some key aspects must be considered when undertaking Marketing system projects KEY ASPECTS IN MARKETING SYSTEM PROJECTS Marketing Data Base different from Transactional Data Base. y In order not to interfere the day-to-day business activity. y With all the information required by the Marketing Department. y With advanced capabilities for query and data analysis. Design of the system as a set of analysis tools. y Marketing activities cannot be completely automated; user analysis and decissions are always required. y System design not process-oriented. y Open set of tools used with some business-purpose. Undertake the project with an iterative development approach. y Starting with basic functionality and seeking results in the short-term. y Adding progressively new functions in later development phases. NorSistemas MARKETING SYSTEMS Page 11 CASE STUDY: CUSTOMER ATTRITION ANALYSIS IN BANKING Analysis of former-customers to: y Identify the profiles of those clients who have already abandoned. y Identify customers with tendency to abandonment in order to conduct retention and loyalty programs. y Conduct programs for recovery of former-customers. NorSistemas MARKETING SYSTEMS Page 12 METODOLOGY FOR THE ANALYSIS c d e f g c Identification of former-customer population. d Extraction of meaningful random samples. e Sample exploration. f Inferential statistical analysis (modelling). g Extension of conclusions and results to the whole population. NorSistemas MARKETING SYSTEMS Page 13 c d e f g EXTRACTING DE SAMPLE Two samples are extracted: – Sample 1: Current customers. A size of 100.000 customers is considered meaningful enough. A flag ‘1’ is added to each of this records. – Sample 2: Former-customers. Similar size is considered. A flag ‘0’ is added to these records. NorSistemas MARKETING SYSTEMS Page 14 c d e f g EXPLORING THE SAMPLE The exploration techniques are different depending on the variable type: – Tables (simple, crosstabulation, nested, etc.). – Graphics. – Histograms or bar charts, multidimensional representations. – Tuckey´s box plots. – Etc. NorSistemas MARKETING SYSTEMS Page 15 c d e f g INFERENTIAL STATISTICAL ANAYSIS (MODELLING) Reduction of the number of variables: – Depending on the variable type, different methods are used to reduce the number of variables: y Nominal and discrete numeric variables: The chi-squared test is used to determine which variables have the strongest influence on the response variable. y Continuous numeric variable: Linear regression is used to study which variables explain better the response variable. NorSistemas MARKETING SYSTEMS Page 16 c d e f g INFERENTIAL STATISTICAL ANAYSIS (MODELLING) Building the model – Once the set of variables has been reduced, the next step is to build a model for the response variable. – In this case, a CHAID (CHi-squared Automatic Interaction Detector) model is applied. – Discriminant analysis is applied to each of the groups that resulted from the Chaid analysis. NorSistemas MARKETING SYSTEMS Page 17 c d e f g EXTENDING THE CONCLUSIONS TO THE WHOLE POPULATION Two different profiles of customers who abandon have been identified: – Young people with high income and few products (usually an operating account and another more) with high balances in deposits and large volume of movements in account. – Middle-class people with middle income, low balances in deposits and middle number of movements in account. NorSistemas MARKETING SYSTEMS Page 18