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IELTS Practice Reading: Matching Features ID: #56146 Medium The Life Cycle of a City 3
Instructions ›
Below are the phases in The Life Cycle of City described by Forrester (A-L).  Tick the phases in chronological order.
Tap any word for its meaning
The Life Cycle of a City

Already more than 20% of mankind live in urban areas with populations greater than 100,000, and this figure is expected to increase to at least 40% by the year 2000. The rural-urban population shift in the US (Fig. 1) typifies the trend to urbanization in a developed country. But this trend is not limited to developed countries. In developing countries too (Fig. 2), where the population is still predominantly rural, rapid urbanization is occurring. In fact, urbanization in developing countries is taking place more rapidly than that in developed countries. In the former, the population of large cities is doubling every 10 to 15 years, and that of many urban slums yevery 5 to 7 years.

These major population shifts within a country or throughout the world — both in developed and developing countries — affect the life cycles of cities. Jay W. Forrester (1969) has developed a crude computer model (Fig. 3) for an urban system in an industrialized nation. He analysed a hypothetical city to see how factors such as new and old industry, worker employment, managerial-professional employment and housing interacted over a period of 250 years. Data for each variable were collected, and the projected changes were calculated and plotted with the aid of a computer. The model shows that after a slight lag phase (while initial colonizers are building and slowly expanding the population), there is a dynamic growth phase (the “J curve") as industry, housing and employment increase dramatically for a number of years,employment for the working class, and they move outward into the second ring of housing. Middle and upper classes then develop a new housing ring further from the inner city as stagnation increases.

Forrester’s preliminary and admittedly crude model shows that the normal practice of raising local taxes may be self-defeating, in that it drives out persons and industries capable of supporting the city. Building expensive motorways and mass transit systems from the suburbs to the inner city can also be counterproductive by making the flight to the suburbs easier. Allowing old housing to stand, or converting it to low-rent housing projects, may also be self-defeating in the long run. The migration of additional underemployed persons into a city is controlled by the availability of housing. By removing old housing and refusing to replace it, a city can stop or slow migration of the unskilled, and at the same time provide space for new industries, which can then generate jobs or taxes for the benefit of existing unemployed citizens.

The short-term, economically-motivated decisions made in this growth phase often have undesirable long-term effects. The original housing deteriorates, and new affluence and the availability of cars and other forms of transportation enable the managerial and skilled labour classes to build a new ring of houses outside the old dty. The availability of vacated housing in the now deteriorating inner city allows an influx of unskilled workers, mostly from the rural areas (or, in the case of some developed countries, unskilled immigrants from developing countries). This occupancy by newcomers prevents the demolition of old housing, and further hinders industrial and business expansion within the city. Unemployment rises, generating welfare expenditure, but a reduced tax base from which to finance such expenditure. So local business taxes are raised, and the remaining landowners flee the city to avoid high taxes. This further decreases the likelihood of new industry, and unemployment rises again.

The stage is now set for the second phase of deterioration. The oldest inner city housing ’ eventually deteriorates to the point where it must be demolished. It is usually replaced with housing and office buildings for managerial and professional workers.
A. The original housing deteriorates
B. The remaining landowners flee the city
C. A slight lag phase
D. An influx of unskilled workers
E. A dynamic growth of industry, housing, and employment
F. A new ring of houses outside the old city is built
G. Local business taxes are raised
H. Working class people move outward into the second ring of housing.
I. Unemployment and welfare expenditure rise.
J. Old inner city houses are demolished and replaced by office buildings.
K. Unemployment rises again.
L. A new housing ring is developed further from the inner city.
A B C D E F G H I J K L
1 Phase 1
2 Phase 2
3 Phase 3
4 Phase 4
5 Phase 5
6 Phase 6
7 Phase 7
8 Phase 8
9 Phase 9
10 Phase 10
11 Phase 11
12 Phase 12
AI explanationShows the answer. Tap to open.

Question Focus: Identifying the very first stage described by Forrester

Why this is correct: The passage clearly says the city begins with a slight lag phase when initial colonizers are building and population grows slowly. This is described before any rapid growth happens, so it must be Phase 1.

Passage Reference: The model shows that after a slight lag phase (while initial colonizers are building and slowly expanding the population)

Common Mistake: Some students choose a dynamic growth of industry, housing, and employment because it sounds important. That is a Wrong section trap because it happens after the lag phase, not at the start.

Paraphrasing: Passage: 'a slight lag phase' = Statement: 'Phase 1'

Tips: Always look for time markers like 'after' or 'first' to find the starting phase.

Key Vocabulary:

  • lag phase = slow beginning
  • colonizers = first settlers

Question Focus: Growth phase following the lag phase

Passage Reference: there is a dynamic growth phase (the 'J curve") as industry, housing and employment increase dramatically for a number of years

Why this is correct: After the lag phase, the passage says there is a dynamic growth phase where industry, housing and employment increase dramatically. This clearly describes Phase 2.

Common Mistake: Choosing working class people move outward into the second ring of housing is a Time/tense trap because that movement happens later, not at the start of growth.

Paraphrasing: Passage: 'dynamic growth phase' = Statement: 'Phase 2'

Tips: Growth stages usually come early, before problems like unemployment appear.

Key Vocabulary:

  • dynamic = fast and energetic
  • dramatically = very strongly

Question Focus: Beginning of decline in housing quality

Passage Reference: The original housing deteriorates, and new affluence and the availability of cars and other forms of transportation enable the managerial and skilled labour classes to build a new ring of houses outside the old dty.

Why this is correct: The passage directly states that the original housing deteriorates as growth decisions have long-term effects. This marks the next phase after growth.

Common Mistake: Some students choose local business taxes are raised, but that comes later. This is a Wrong section trap.

Paraphrasing: Passage: 'original housing deteriorates' = Statement: 'Phase 3'

Tips: When the passage repeats the same words as the option, trust it.

Key Vocabulary:

  • deteriorates = gets worse

Question Focus: Movement of wealthier groups outward

Passage Reference: enable the managerial and skilled labour classes to build a new ring of houses outside the old dty. The availability of vacated housing in the now deteriorating inner city allows an influx of unskill

Why this is correct: The passage explains that managerial and skilled labour classes build a new ring of houses outside the old city. This clearly comes after inner housing begins to deteriorate.

Common Mistake: Choosing working class people move outward is a Partial truth trap because it is a different group moving at a different time.

Paraphrasing: Passage: 'build a new ring of houses' = Statement: 'Phase 4'

Tips: Always check WHO is moving, not just that someone is moving.

Key Vocabulary:

  • managerial = management workers
  • skilled labour = trained workers

Question Focus: Who moves into the inner city

Passage Reference: allows an influx of unskilled workers, mostly from the rural areas (or, in the case of some developed countries, unskilled immigrants from developing countries).

Why this is correct: Vacated housing allows an influx of unskilled workers, mostly from rural areas. This happens after wealthier people move out.

Common Mistake: Picking unemployment rises is a Causation trap because unemployment rises after this influx, not at the same moment.

Paraphrasing: Passage: 'influx of unskilled workers' = Statement: 'Phase 5'

Tips: Look for cause before effect when ordering phases.

Key Vocabulary:

  • influx = large arrival
  • unskilled = without training

Question Focus: Start of second deterioration phase

Passage Reference: The stage is now set for the second phase of deterioration. The oldest inner city housing ' eventually deteriorates to the point where it must be demolished. It is usually replaced with housing and office buildings for managerial and professional worker

Why this is correct: In the second phase of deterioration, old inner city housing must be demolished and replaced with housing and office buildings. This is a clear new stage.

Common Mistake: Choosing local business taxes are raised is a Wrong order trap because taxes rise earlier.

Paraphrasing: Passage: 'demolished and replaced' = Statement: 'Phase 6'

Tips: Headings like 'second phase' signal a new stage.

Key Vocabulary:

  • demolished = destroyed
  • inner city = central area

Question Focus: Housing movement during stagnation

Passage Reference: employment for the working class, and they move outward into the second ring of housing.

Why this is correct: The passage explains that working class people move outward into the second ring of housing as stagnation increases. This is a clear movement stage.

Common Mistake: Confusing this with a new housing ring further from the inner city is a Context shift trap because that refers to middle and upper classes.

Paraphrasing: Passage: 'move outward' = Statement: 'Phase 7'

Tips: Different social classes move at different times.

Key Vocabulary:

  • outward = away from centre
  • ring = circular area

Question Focus: Reaction to rising taxes

Passage Reference: the remaining landowners flee the city to avoid high taxes.

Why this is correct: After taxes are raised, the remaining landowners flee the city to avoid them. This clearly follows the tax decision.

Common Mistake: Choosing local business taxes are raised is a Cause vs effect trap because fleeing happens after taxes rise.

Paraphrasing: Passage: 'flee the city' = Statement: 'Phase 8'

Tips: Watch for reaction words like 'avoid' or 'because'.

Key Vocabulary:

  • flee = escape
  • landowners = property owners

Question Focus: Repeated economic decline

Passage Reference: This further decreases the likelihood of new industry, and unemployment rises again.

Why this is correct: The passage explicitly says unemployment rises again after landowners leave and industry declines further.

Common Mistake: Some choose unemployment and welfare expenditure rise which is earlier. This is a Time sequence trap.

Paraphrasing: Passage: 'rises again' = Statement: 'Phase 9'

Tips: Words like 'again' are strong timeline clues.

Key Vocabulary:

  • unemployment = no jobs

Question Focus: Repeated reference to final redevelopment

Passage Reference: The stage is now set for the second phase of deterioration. The oldest inner city housing ' eventually deteriorates to the point where it must be demolished. It is usually replaced with housing and office buildings for managerial and professional worker

Why this is correct: This stage is mentioned again as part of the later deterioration cycle, so the same phase description is reused.

Common Mistake: Students think options cannot repeat. That is a Rule misunderstanding trap.

Paraphrasing: Passage: 'demolished and replaced' = Statement: 'Phase 10'

Tips: Options CAN repeat in Matching Features.

Key Vocabulary:

  • redevelopment = rebuilding

Question Focus: Repeated social movement

Passage Reference: employment for the working class, and they move outward into the second ring of housing.

Why this is correct: The movement of the working class is part of a repeating cycle in the model, so it appears again later.

Common Mistake: Avoiding reuse of an option is a Test technique trap.

Paraphrasing: Passage: 'working class move outward' = Statement: 'Phase 11'

Tips: If the passage repeats an idea, the answer can repeat too.

Key Vocabulary:

  • working class = manual workers

Question Focus: Final outward expansion

Passage Reference: Middle and upper classes then develop a new housing ring further from the inner city as stagnation increases.

Why this is correct: At the end of the cycle, middle and upper classes develop a new housing ring further from the inner city. This fits the final phase.

Common Mistake: Confusing this with a new ring of houses outside the old city is a Synonym confusion trap because the distance and group are different.

Paraphrasing: Passage: 'further from the inner city' = Statement: 'Phase 12'

Tips: Read carefully for distance words like 'outside' vs 'further from'.

Key Vocabulary:

  • further = more distant
  • upper classes = wealthy people

General Tips:

  • Matching Features can jump around the passage, but this task also requires correct time order.
  • Scan for time signals like 'after', 'then', 'again', and 'now set for'.
  • Options CAN be used more than once. Do not cross them off.
  • Focus on cause and effect to place stages correctly.

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