Exercices - Gestion et économie
55 documents à télécharger gratuitement
Exercices de gestion et économie partagés par des étudiants et des enseignants. Thèmes couverts : comptabilité, finance, marketing, management, économie, GRH.
This document focuses on the computation and analysis of TRS (Synthetic Performance Indicator) across various industrial scenarios. It emphasizes reliability modeling with exponential laws and explores failure rates, system reliability, and maintenance planning. Real-world examples such as production line optimizations, system configurations, and probabilistic assessments are addressed. The document provides detailed methodologies for calculating efficiencies, failure probabilities, and improvement recommendations in production and maintenance systems.
The document introduces Lean Management principles using the DMAIC framework and emphasizes the importance of Value Stream Mapping (VSM) to optimize workflows. Metrics such as production capacity (pieces per hour), lead times, and client demand are analyzed across various posts in workstations. Calculations like Process Lead Time (PLT) and Process Cycle Efficiency (PCE) are central to achieving operational efficiency. Practical examples and exercises guide readers through the application of Lean methodologies with calculated data points.
This document analyzes the use of the Program Evaluation and Review Technique (PERT) to calculate expected completion times, critical paths, resource allocation, and cost optimization. Key methodologies include calculating expected times (Te) using optimistic, pessimistic, and most likely estimates, as well as analyzing critical paths for efficiency. The findings highlight that the critical path for the project is the longest path (1-3-5-7-8) taking 37 days under current conditions. Optimization scenarios, including reducing activity durations and reallocating resources, are explored to pro...
This document outlines a comprehensive exercise focused on spreadsheet software usage, particularly Excel. It involves tasks such as data entry validation, conditional formatting, and multi-variable calculations including yearly salary increases based on various allowances. It also incorporates data summarization with pivot tables and visualizations through histograms and pie charts, alongside advanced filtering to analyze employees' information based on criteria like marital status and agency location.
This document evaluates methodologies for developing an industrial and commercial plan (PIC) while comparing the strategies of pursuit and leveling. It provides a breakdown of demand forecasting, workforce requirements, and associated costs under varying conditions. The 'pursuit strategy' is noted for its flexibility, while the 'level strategy' is more cost-effective and ensures production stability. A recommendation is made for the level strategy if cost savings and production rhythm are prioritized, but storage capacity considerations influence the strategy choice.
This document focuses on the elaboration and evaluation of two strategies for industrial and commercial planning: the level strategy and the chase strategy. It includes a summary of theoretical foundations, computations, and cost analyses associated with each approach. For a company producing a single product, calculations such as staff wages, hiring and firing costs, inventory holding expenses, and end-of-year stock requirements are outlined. The level strategy is recommended for its cost-efficiency and production stability, while the chase strategy is evaluated for flexibility and storage...
This document provides a detailed analysis of inventory control practices in manufacturing and production. It examines computations for optimal order quantities using Wilson's formula, annual demands, and safety stock calculations for various scenarios. The methodology involves cost analysis of purchasing, ordering, storing, and evaluating subcontracting offers. Findings include optimal procurement quantities and decision guidelines to balance internal production versus outsourcing. Additional exercises analyze safety stock under variable demand and supply delays to maintain service levels.
The document introduces the concepts of PIC (Plan Industriel et Commercial) and PDP (Plan Directeur de Production) and their application in production planning. Two key strategies, level (lissé) and chase (poursuite), are examined for organizing the production of product A by Lune Inc. over the course of a year. Detailed calculations for both strategies are required, including monthly production, costs of employees, stock management, and storage constraints. The document ends with a prompt to choose the recommended strategy based on cost-effectiveness and feasibility considerations.
This document revolves around inventory management problems and solutions in production contexts. It begins with a quantitative assessment of stock-related costs and optimization techniques like the Economic Order Quantity (EOQ) formula, applied to companies AERO and DELTA. The exercises cover cost analysis, demand forecasting, and optimal ordering strategies, integrating Wilson's EOQ model. The final section addresses safety stock calculation to meet service-level goals amidst supply variations, with scenarios for pistachio inventory management.
The document provides detailed exercises aimed at analyzing production processes, with a focus on types of production (continuous, unit, batch), calculation of cycle times and throughput rates, as well as assessments of production capacity and bottlenecks. The exercises involve scenarios including water purification, manufacturing workflows, and operational capacities of various industrial processes. A key case study evaluates the capacity of a metalworking company across steps like cutting, machining, welding, painting, and packaging, addressing issues such as capacity constraints, monthly...
This document provides a set of PERT planning exercises aimed at testing knowledge in project scheduling, critical paths, and time estimation for tasks. It includes task durations, dependencies, early and late start/finish times, as well as total and free slack calculations. Core questions assess identification of critical paths, task predecessors, task margins, and project completion times. The key methodology relies on analyzing task interdependencies using PERT diagrams.
The document critiques traditional dashboards through the balanced scorecard lens, pinpointing issues like financial dominance, lack of strategic alignment, and insufficient adaptability. It emphasizes the balanced scorecard's four axes: financial, customer, process, and organizational learning, proposing a holistic view for performance management. The document highlights the need for comprehensive, flexible, and strategized dashboards to align with modern organizational needs. Recommendations aim to foster both operational efficiency and strategic competitiveness.
This document provides answers to a quiz about the criticisms of traditional dashboards and the four axes of the balanced scorecard. It lists the main issues encountered in traditional dashboards and defines the fundamental components of the balanced scorecard.
This document discusses the implications of utility functions in decision making under risk, particularly focusing on insurance applications. It presents exercises analyzing the maximum insurance premium an individual is willing to pay and the associated risk premiums for different levels of risk aversion. The document examines scenarios with varying coverage and loading factors, culminating in the assessment of an agent's risk attitude.
This document discusses problems related to resource sharing in a computing environment, specifically focusing on printers and file sharing. It outlines solutions involving semaphores to manage access to these resources by multiple processes. The scenarios explore exclusive and equitable sharing methods among processes.
This document contains exercises related to programming in Visual Basic. It includes events for user interface elements and validation of numeric input. Exercises focus on unit conversion and managing lists of financial entries.
The document analyzes various security risks in IT systems by categorizing them based on hardware, software, and human sources, exploring issues like unauthorized access, data breaches, and downtime. It identifies key vulnerabilities and suggests mitigations, emphasizing confidentiality, integrity, availability, and added traceability for system monitoring. The methodology includes scenario evaluation across internal and external threats and evaluating preventive measures. Findings underscore the importance of traceability in aligning traditional security criteria, highlighting its role in...
The document analyzes the characteristics of performance indicators emphasizing objectivity, quantifiability, responsiveness, simplicity, fidelity, and exhaustiveness. It discusses the link between stakeholder theory and corporate social responsibility within performance management frameworks, presenting approaches like shareholder value maximization, balanced scorecards, and role-specific perspective decoupling. Exercises focus on selecting and balancing pilotage and performance indicators across financial, operational, and social metrics, particularly in procurement activities, with sugge...
The document discusses a project for analyzing product sales in a retail company. It details various analytical axes and indicators needed for the analysis, such as product profitability and regional disparities. Additionally, it describes the star and snowflake schema models needed for database design to track sales data effectively.
This document provides an in-depth exploration of the ISO 9001:2015 standard, focusing on its principles of quality management. It covers the evolution of quality concepts, emphasizing client orientation, leadership, and continuous improvement. The methodology includes a structured PDCA (Plan-Do-Check-Act) approach to implementing and maintaining a Quality Management System (QMS). Key elements such as understanding context, addressing stakeholder needs, and ensuring evidence-based decision-making are outlined to achieve consistent and sustainable performance.
This document dissects strategic decision-making across industries, focusing on organizational dynamics, market positioning, and competitive strategy. It analyzes Microsoft’s acquisition of Nokia, highlighting market risks and missteps in innovation. LinkedIn’s growth is examined, emphasizing geographic and demographic diversification alongside privacy concerns. Danone navigates European economic crises and global expansion potential while balancing product differentiation and restructuring. Chronotruck disrupts freight transport via digital platforms, intensifying price competition. Ultima...
This document discusses the strategic missteps of Microsoft in acquiring Nokia, highlighting a lack of market understanding and innovation. It also analyzes the operational adjustments made by employees in two case studies: cantonniers and distributors, demonstrating the effectiveness of informal procedures over formal systems. The report concludes that organizational diagnostics must consider the actual functioning and behavior of actors within organizations to identify competitive advantages.
This document provides a hands-on exercise focused on measuring productivity improvements via Gemba Kaizen methodology. The exercise involves calculating productivity and improvement rates based on changes in operator count, working hours, and daily output. Users are required to compute key performance indicators before and after implementing changes to evaluate efficiency gains quantitatively. Through repetitive problem-solving, learners strengthen their understanding of workflow optimization techniques.
This document contains exercises related to programming structures in C, focusing on player and competition management. It includes examples of defining structures, filling them with data, and performing operations based on that data. Additional exercises involve managing dates and implementing functions to manipulate them.




















