Page 23 - Technical Document: Modelling Urban Carrying Capacity and Measuring Quality of Life using System Dynamics
P. 23
: c Impact_of_land_availability_on_opening_of_new_businesses =
GRAPH(Land_available_per_business/Land_required_per_new_business)

(0.01, 0), (0.190909090909,
0.0204778156997),
(0.371818181818,
0.156996587031),
(0.552727272727,
0.409556313993),
(0.733636363636,
0.580204778157),
(0.914545454545,
0.81228668942),
(1.09545454545, 1),
(1.27636363636,
1.48122866894),
(1.45727272727,
1.68600682594),

(1.63818181818, 1.8771331058), (1.81909090909, 2), (2, 2)

UNITS: Unitless

: f Opening_businesses =
Normal_rate_of_opening_of_new_business*Active_Businesses*Impact_of_land_availability_on
_opening_of_new_businesses*Impact_of_water_availability_on_opening_of_new_businesses*I
mpact_of_workforce_availbility_on_opening_of_new_businesses

UNITS: unit/yr

: c Normal_in_migration_rate = 0.05

UNITS: per year (1/yr)

DOCUMENT: It is assumed that immigration rate under normal circumstances would be 5% of
the stock of population.

: c Land_required_per_capita = 0.005

UNITS: hectares/person

DOCUMENT: It is assumed that 550 sq feet would be the land footprint per person. This
footprint includes direct requirement in terms of residential and indirect requirement in terms
of public spaces.

: c Available_land_per_capita = Usable_Open_Land/Population

UNITS: hectares/person

: c Ratio_of_available_against_required_land =
Available_land_per_capita/Land_required_per_capita

UNITS: Unitless

23 | P a g e
   18   19   20   21   22   23   24   25   26   27   28