Core Concept and Philosophy
Zero-Based Budgeting is a radical alternative to incremental budgeting. It operates on the principle that no historical spending budget is safe. Every ministry must justify its entire budget request from scratch—or a “zero base”—at the start of each fiscal cycle. ZBB assumes that a program’s past existence does not automatically justify its future funding.
The ZBB Implementation Process
  1. Identify Decision Units: Break down government agencies into distinct operational components or programs that can be evaluated independently.
  2. Formulate Decision Packages: For each decision unit, managers draft documents outlining the program’s objectives, costs, benefits, alternative execution methods, and the consequences of defunding it.
  3. Rank Decision Packages: Senior officials evaluate all packages across the entire organization, ranking them in order of priority based on cost-benefit analysis and strategic national goals.
  4. Allocate Resources: Funding is distributed down the ranked list until the available resource envelope is completely exhausted.

[ Step 1: Define Decision Units ] ---> [ Step 2: Build Decision Packages ]
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[ Step 4: Cut off Funding at Ceiling ] <-- [ Step 3: Rank Packages by Priority ]

Challenges of ZBB in Public Administration
While ZBB is highly effective at identifying waste and eliminating obsolete programs, it faces major practical challenges in government. It is exceptionally time-consuming and requires immense paperwork. Furthermore, many public expenditures—such as civil service salaries, statutory debt servicing, and pensions—are legally mandated and cannot be reduced to zero, which severely limits the real-world application of ZBB.
 
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